diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index 876b2cc74c..8ce4e53649 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -6,7 +6,7 @@ from threading import RLock
 
 from PyQt4.QtCore import QVariant, QFileInfo, QObject, SIGNAL, QBuffer, Qt, QSize, \
                          QByteArray, QTranslator, QCoreApplication, QThread, \
-                         QEvent, QTimer, pyqtSignal
+                         QEvent, QTimer, pyqtSignal, QDate
 from PyQt4.QtGui import QFileDialog, QMessageBox, QPixmap, QFileIconProvider, \
                         QIcon, QTableView, QApplication, QDialog, QPushButton
 
@@ -21,6 +21,7 @@ from calibre.ebooks.metadata import MetaInformation
 gprefs = JSONConfig('gui')
 
 NONE = QVariant() #: Null value to return from the data function of item models
+UNDEFINED_DATE = QDate(101,1,1)
 
 ALL_COLUMNS = ['title', 'authors', 'size', 'timestamp', 'rating', 'publisher',
         'tags', 'series', 'pubdate']
diff --git a/src/calibre/gui2/custom_column_widgets.py b/src/calibre/gui2/custom_column_widgets.py
new file mode 100644
index 0000000000..91a13e9236
--- /dev/null
+++ b/src/calibre/gui2/custom_column_widgets.py
@@ -0,0 +1,270 @@
+#!/usr/bin/env python
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+
+__license__   = 'GPL v3'
+__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
+import sys
+
+from PyQt4.Qt import QComboBox, QLabel, QSpinBox, QDoubleSpinBox, QDateEdit, \
+        QDate, QGroupBox, QVBoxLayout, QPlainTextEdit, QSizePolicy, \
+        QSpacerItem, QIcon
+
+from calibre.utils.date import qt_to_dt
+from calibre.gui2.widgets import TagsLineEdit, EnComboBox
+from calibre.gui2 import UNDEFINED_DATE
+from calibre.utils.config import tweaks
+
+class Base(object):
+
+    def __init__(self, db, col_id):
+        self.db, self.col_id = db, col_id
+        self.col_metadata = db.custom_column_num_map[col_id]
+        self.initial_val = None
+
+    def initialize(self, book_id):
+        val = self.db.get_custom(book_id, num=self.col_id, index_is_id=True)
+        self.initial_val = val
+        val = self.normalize_db_val(val)
+        self.setter(val)
+
+    def commit(self, book_id, notify=False):
+        val = self.getter()
+        val = self.normalize_ui_val(val)
+        if val != self.initial_val:
+            self.db.set_custom(book_id, val, num=self.col_id, notify=notify)
+
+    def normalize_db_val(self, val):
+        return val
+
+    def normalize_ui_val(self, val):
+        return val
+
+class Bool(Base):
+
+    def __init__(self, db, col_id, parent=None):
+        Base.__init__(self, db, col_id)
+        self.widgets = [QLabel('&'+self.col_metadata['name'], parent),
+                QComboBox(parent)]
+        w = self.widgets[1]
+        items = [_('Yes'), _('No'), _('Undefined')]
+        icons = [I('ok.svg'), I('list_remove.svg'), I('blank.svg')]
+        if tweaks['bool_custom_columns_are_tristate'] == 'no':
+            items = items[:-1]
+            icons = icons[:-1]
+        for icon, text in zip(icons, items):
+            w.addItem(QIcon(icon), text)
+
+
+    def setter(self, val):
+        val = {None: 2, False: 1, True: 0}[val]
+        if tweaks['bool_custom_columns_are_tristate'] == 'no' and val == 2:
+            val = 1
+        self.widgets[1].setCurrentIndex(val)
+
+    def getter(self):
+        val = self.widgets[1].currentIndex()
+        return {2: None, 1: False, 0: True}[val]
+
+class Int(Base):
+
+    def __init__(self, db, col_id, parent=None):
+        Base.__init__(self, db, col_id)
+        self.widgets = [QLabel('&'+self.col_metadata['name']+':', parent),
+                QSpinBox(parent)]
+        w = self.widgets[1]
+        w.setRange(-100, sys.maxint)
+        w.setSpecialValueText(_('Undefined'))
+        w.setSingleStep(1)
+
+    def setter(self, val):
+        if val is None:
+            val = self.widgets[1].minimum()
+        else:
+            val = int(val)
+        self.widgets[1].setValue(val)
+
+    def getter(self):
+        val = self.widgets[1].value()
+        if val == self.widgets[1].minimum():
+            val = None
+        return val
+
+class Float(Int):
+
+    def __init__(self, db, col_id, parent=None):
+        Base.__init__(self, db, col_id)
+        self.widgets = [QLabel('&'+self.col_metadata['name']+':', parent),
+                QDoubleSpinBox(parent)]
+        w = self.widgets[1]
+        self.setRange(-100., float(sys.maxint))
+        w.setDecimals(2)
+
+class Rating(Int):
+
+    def __init__(self, db, col_id, parent=None):
+        Int.__init__(self, db, col_id)
+        w = self.widgets[1]
+        w.setRange(0, 5)
+        w.setSuffix(' '+_('stars'))
+        w.setSpecialValueText(_('Unrated'))
+
+    def setter(self, val):
+        if val is None:
+            val = 0
+        self.widgets[1].setValue(int(round(val/2.)))
+
+    def getter(self):
+        val = self.widgets[1].value()
+        if val == 0:
+            val = None
+        else:
+            val *= 2
+        return val
+
+class DateTime(Base):
+
+    def __init__(self, db, col_id, parent=None):
+        Base.__init__(self, db, col_id)
+        self.widgets = [QLabel('&'+self.col_metadata['name']+':', parent),
+                QDateEdit(parent)]
+        w = self.widgets[1]
+        w.setDisplayFormat('dd MMM yyyy')
+        w.setCalendarPopup(True)
+        w.setMinimumDate(UNDEFINED_DATE)
+        w.setSpecialValueText(_('Undefined'))
+
+    def setter(self, val):
+        if val is None:
+            val = self.widgets[1].minimumDate()
+        else:
+            val = QDate(val.year, val.month, val.day)
+        self.widgets[1].setDate(val)
+
+    def getter(self):
+        val = self.widgets[1].date()
+        if val == UNDEFINED_DATE:
+            val = None
+        else:
+            val = qt_to_dt(val)
+        return val
+
+
+class Comments(Base):
+
+    def __init__(self, db, col_id, parent=None):
+        Base.__init__(self, db, col_id)
+        self._box = QGroupBox(parent)
+        self._box.setTitle('&'+self.col_metadata['name'])
+        self._layout = QVBoxLayout()
+        self._tb = QPlainTextEdit(self._box)
+        self._tb.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
+        self._layout.addWidget(self._tb)
+        self._box.setLayout(self._layout)
+        self.widgets = [self._box]
+
+    def setter(self, val):
+        if val is None:
+            val = ''
+        self._tb.setPlainText(val)
+
+    def getter(self):
+        val = unicode(self._tb.toPlainText()).strip()
+        if not val:
+            val = None
+        return val
+
+class Text(Base):
+
+    def __init__(self, db, col_id, parent=None):
+        Base.__init__(self, db, col_id)
+        values = self.all_values = list(self.db.all_custom(num=col_id))
+        values.sort(cmp = lambda x,y: cmp(x.lower(), y.lower()))
+        if self.col_metadata['is_multiple']:
+            w = TagsLineEdit(parent, values)
+            w.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
+        else:
+            w = EnComboBox(parent)
+            w.setSizeAdjustPolicy(w.AdjustToMinimumContentsLengthWithIcon)
+            w.setMinimumContentsLength(25)
+
+
+
+        self.widgets = [QLabel('&'+self.col_metadata['name']+':', parent),
+                w]
+
+    def initialize(self, book_id):
+        val = self.db.get_custom(book_id, num=self.col_id, index_is_id=True)
+        self.initial_val = val
+        val = self.normalize_db_val(val)
+        if self.col_metadata['is_multiple']:
+            self.setter(val)
+            self.widgets[1].update_tags_cache(self.all_values)
+        else:
+            idx = None
+            for i, c in enumerate(self.all_values):
+                if c == val:
+                    idx = i
+                self.widgets[1].addItem(c)
+            self.widgets[1].setEditText('')
+            if idx is not None:
+                self.widgets[1].setCurrentIndex(idx)
+
+
+    def setter(self, val):
+        if self.col_metadata['is_multiple']:
+            if not val:
+                val = []
+            self.widgets[1].setText(u', '.join(val))
+
+    def getter(self):
+        if self.col_metadata['is_multiple']:
+            val = unicode(self.widgets[1].text()).strip()
+            return [x.strip() for x in val.split(',')]
+        val = unicode(self.widgets[1].currentText()).strip()
+        if not val:
+            val = None
+        return val
+
+widgets = {
+        'bool' : Bool,
+        'rating' : Rating,
+        'int': Int,
+        'float': Float,
+        'datetime': DateTime,
+        'text' : Text,
+        'comments': Comments,
+}
+
+def populate_single_metadata_page(left, right, db, book_id, parent=None):
+    x = db.custom_column_num_map
+    cols = list(x)
+    cols.sort(cmp=lambda z,y: cmp(x[z]['name'].lower(), x[y]['name'].lower()))
+    ans = []
+    for i, col in enumerate(cols):
+        w = widgets[x[col]['datatype']](db, col, parent)
+        ans.append(w)
+        w.initialize(book_id)
+        layout = left if i%2 == 0 else right
+        row = layout.rowCount()
+        if len(w.widgets) == 1:
+            layout.addWidget(w.widgets[0], row, 0, 1, -1)
+        else:
+            w.widgets[0].setBuddy(w.widgets[1])
+            for c, widget in enumerate(w.widgets):
+                layout.addWidget(widget, row, c)
+    items = []
+    if len(ans) > 0:
+        items.append(QSpacerItem(10, 10, QSizePolicy.Minimum,
+            QSizePolicy.Expanding))
+        left.addItem(items[-1], left.rowCount(), 0, 1, 1)
+        left.setRowStretch(left.rowCount()-1, 100)
+    if len(ans) > 1:
+         items.append(QSpacerItem(10, 100, QSizePolicy.Minimum,
+             QSizePolicy.Expanding))
+         right.addItem(items[-1], left.rowCount(), 0, 1, 1)
+         right.setRowStretch(right.rowCount()-1, 100)
+
+    return ans, items
+
diff --git a/src/calibre/gui2/dialogs/metadata_single.py b/src/calibre/gui2/dialogs/metadata_single.py
index 3df197e6a5..8c5d3e6c41 100644
--- a/src/calibre/gui2/dialogs/metadata_single.py
+++ b/src/calibre/gui2/dialogs/metadata_single.py
@@ -11,8 +11,9 @@ import re
 import time
 import traceback
 
+import sip
 from PyQt4.Qt import SIGNAL, QObject, QCoreApplication, Qt, QTimer, QThread, QDate, \
-    QPixmap, QListWidgetItem, QDialog
+    QPixmap, QListWidgetItem, QDialog, QHBoxLayout, QGridLayout
 
 from calibre.gui2 import error_dialog, file_icon_provider, \
                            choose_files, choose_images, ResizableDialog, \
@@ -31,6 +32,7 @@ from calibre.utils.config import prefs, tweaks
 from calibre.utils.date import qt_to_dt
 from calibre.customize.ui import run_plugins_on_import, get_isbndb_key
 from calibre.gui2.dialogs.config.social import SocialMetadata
+from calibre.gui2.custom_column_widgets import populate_single_metadata_page
 
 class CoverFetcher(QThread):
 
@@ -405,6 +407,26 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
                 self.cover.setPixmap(pm)
             self.cover_data = cover
         self.original_series_name = unicode(self.series.text()).strip()
+        if len(db.custom_column_label_map) == 0:
+            self.central_widget.tabBar().setVisible(False)
+        else:
+            self.create_custom_column_editors()
+
+    def create_custom_column_editors(self):
+        w = self.central_widget.widget(1)
+        top_layout = QHBoxLayout()
+        top_layout.setSpacing(20)
+        left_layout = QGridLayout()
+        right_layout = QGridLayout()
+        top_layout.addLayout(left_layout)
+
+        self.custom_column_widgets, self.__cc_spacers = populate_single_metadata_page(
+                left_layout, right_layout, self.db, self.id, w)
+        top_layout.addLayout(right_layout)
+        sip.delete(w.layout())
+        w.setLayout(top_layout)
+        self.__custom_col_layouts = [top_layout, left_layout, right_layout]
+
 
     def validate_isbn(self, isbn):
         isbn = unicode(isbn).strip()
@@ -675,6 +697,8 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
                     self.db.set_cover(self.id, self.cover_data)
                 else:
                     self.db.remove_cover(self.id)
+            for w in getattr(self, 'custom_column_widgets', []):
+                w.commit(self.id)
         except IOError, err:
             if err.errno == 13: # Permission denied
                 fname = err.filename if err.filename else 'file'
diff --git a/src/calibre/gui2/dialogs/metadata_single.ui b/src/calibre/gui2/dialogs/metadata_single.ui
index 5d2b98f70f..6d8dcca615 100644
--- a/src/calibre/gui2/dialogs/metadata_single.ui
+++ b/src/calibre/gui2/dialogs/metadata_single.ui
@@ -43,8 +43,8 @@
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>869</width>
-        <height>698</height>
+        <width>879</width>
+        <height>711</height>
        </rect>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_5">
@@ -52,625 +52,639 @@
         <number>0</number>
        </property>
        <item>
-        <widget class="QWidget" name="central_widget" native="true">
+        <widget class="QTabWidget" name="central_widget">
          <property name="minimumSize">
           <size>
            <width>800</width>
            <height>665</height>
           </size>
          </property>
-         <layout class="QVBoxLayout" name="verticalLayout_3">
-          <item>
-           <widget class="QSplitter" name="splitter">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <widget class="QWidget" name="layoutWidget">
-             <layout class="QVBoxLayout">
-              <item>
-               <widget class="QGroupBox" name="meta_box">
-                <property name="title">
-                 <string>Meta information</string>
-                </property>
-                <layout class="QGridLayout" name="gridLayout_3">
-                 <item row="0" column="0">
-                  <widget class="QLabel" name="label">
-                   <property name="text">
-                    <string>&amp;Title: </string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>title</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="0" column="1">
-                  <widget class="EnLineEdit" name="title">
-                   <property name="toolTip">
-                    <string>Change the title of this book</string>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="0" column="2" rowspan="2">
-                  <widget class="QToolButton" name="swap_button">
-                   <property name="toolTip">
-                    <string>Swap the author and title</string>
-                   </property>
-                   <property name="text">
-                    <string>...</string>
-                   </property>
-                   <property name="icon">
-                    <iconset resource="../../../../resources/images.qrc">
-                     <normaloff>:/images/swap.svg</normaloff>:/images/swap.svg</iconset>
-                   </property>
-                   <property name="iconSize">
-                    <size>
-                     <width>16</width>
-                     <height>16</height>
-                    </size>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="1" column="0">
-                  <widget class="QLabel" name="label_2">
-                   <property name="text">
-                    <string>&amp;Author(s): </string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>authors</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="2" column="0">
-                  <widget class="QLabel" name="label_8">
-                   <property name="text">
-                    <string>Author S&amp;ort: </string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>author_sort</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="2" column="1" colspan="2">
-                  <layout class="QHBoxLayout" name="horizontalLayout">
-                   <item>
-                    <widget class="EnLineEdit" name="author_sort">
-                     <property name="toolTip">
-                      <string>Specify how the author(s) of this book should be sorted. For example Charles Dickens should be sorted as Dickens, Charles.</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item>
-                    <widget class="QToolButton" name="auto_author_sort">
-                     <property name="toolTip">
-                      <string>Automatically create the author sort entry based on the current author entry</string>
-                     </property>
-                     <property name="text">
-                      <string>...</string>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/auto_author_sort.svg</normaloff>:/images/auto_author_sort.svg</iconset>
-                     </property>
-                    </widget>
-                   </item>
-                  </layout>
-                 </item>
-                 <item row="3" column="0">
-                  <widget class="QLabel" name="label_6">
-                   <property name="text">
-                    <string>&amp;Rating:</string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>rating</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="3" column="1" colspan="2">
-                  <widget class="QSpinBox" name="rating">
-                   <property name="toolTip">
-                    <string>Rating of this book. 0-5 stars</string>
-                   </property>
-                   <property name="whatsThis">
-                    <string>Rating of this book. 0-5 stars</string>
-                   </property>
-                   <property name="buttonSymbols">
-                    <enum>QAbstractSpinBox::PlusMinus</enum>
-                   </property>
-                   <property name="suffix">
-                    <string> stars</string>
-                   </property>
-                   <property name="maximum">
-                    <number>5</number>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="4" column="0">
-                  <widget class="QLabel" name="label_3">
-                   <property name="text">
-                    <string>&amp;Publisher: </string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>publisher</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="5" column="0">
-                  <widget class="QLabel" name="label_4">
-                   <property name="text">
-                    <string>Ta&amp;gs: </string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>tags</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="5" column="1" colspan="2">
-                  <layout class="QHBoxLayout" name="_2">
-                   <item>
-                    <widget class="TagsLineEdit" name="tags">
-                     <property name="toolTip">
-                      <string>Tags categorize the book. This is particularly useful while searching. &lt;br&gt;&lt;br&gt;They can be any words or phrases, separated by commas.</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item>
-                    <widget class="QToolButton" name="tag_editor_button">
-                     <property name="toolTip">
-                      <string>Open Tag Editor</string>
-                     </property>
-                     <property name="text">
-                      <string>Open Tag Editor</string>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/chapters.svg</normaloff>:/images/chapters.svg</iconset>
-                     </property>
-                    </widget>
-                   </item>
-                  </layout>
-                 </item>
-                 <item row="6" column="0">
-                  <widget class="QLabel" name="label_7">
-                   <property name="text">
-                    <string>&amp;Series:</string>
-                   </property>
-                   <property name="textFormat">
-                    <enum>Qt::PlainText</enum>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>series</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="6" column="1" colspan="2">
-                  <layout class="QHBoxLayout" name="_3">
-                   <property name="spacing">
-                    <number>5</number>
-                   </property>
-                   <item>
-                    <widget class="EnComboBox" name="series">
-                     <property name="sizePolicy">
-                      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-                       <horstretch>0</horstretch>
-                       <verstretch>0</verstretch>
-                      </sizepolicy>
-                     </property>
-                     <property name="toolTip">
-                      <string>List of known series. You can add new series.</string>
-                     </property>
-                     <property name="whatsThis">
-                      <string>List of known series. You can add new series.</string>
-                     </property>
-                     <property name="editable">
-                      <bool>true</bool>
-                     </property>
-                     <property name="insertPolicy">
-                      <enum>QComboBox::InsertAlphabetically</enum>
-                     </property>
-                     <property name="sizeAdjustPolicy">
-                      <enum>QComboBox::AdjustToContents</enum>
-                     </property>
-                    </widget>
-                   </item>
-                   <item>
-                    <widget class="QToolButton" name="remove_series_button">
-                     <property name="toolTip">
-                      <string>Remove unused series (Series that have no books)</string>
-                     </property>
-                     <property name="text">
-                      <string>...</string>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/trash.svg</normaloff>:/images/trash.svg</iconset>
-                     </property>
-                    </widget>
-                   </item>
-                  </layout>
-                 </item>
-                 <item row="8" column="0">
-                  <widget class="QLabel" name="label_9">
-                   <property name="text">
-                    <string>IS&amp;BN:</string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>isbn</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="8" column="1" colspan="2">
-                  <widget class="QLineEdit" name="isbn"/>
-                 </item>
-                 <item row="10" column="0">
-                  <widget class="QLabel" name="label_10">
-                   <property name="text">
-                    <string>Publishe&amp;d:</string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>pubdate</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="4" column="1" colspan="2">
-                  <widget class="EnComboBox" name="publisher">
-                   <property name="editable">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="7" column="1" colspan="2">
-                  <widget class="QDoubleSpinBox" name="series_index">
-                   <property name="enabled">
-                    <bool>false</bool>
-                   </property>
-                   <property name="prefix">
-                    <string>Book </string>
-                   </property>
-                   <property name="maximum">
-                    <double>9999.989999999999782</double>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="10" column="1" colspan="2">
-                  <widget class="QDateEdit" name="pubdate">
-                   <property name="displayFormat">
-                    <string>MMM yyyy</string>
-                   </property>
-                   <property name="calendarPopup">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="1" column="1">
-                  <widget class="EnComboBox" name="authors">
-                   <property name="editable">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="9" column="1" colspan="2">
-                  <widget class="QDateEdit" name="date">
-                   <property name="displayFormat">
-                    <string>dd MMM yyyy</string>
-                   </property>
-                   <property name="calendarPopup">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="9" column="0">
-                  <widget class="QLabel" name="label_11">
-                   <property name="text">
-                    <string>&amp;Date:</string>
-                   </property>
-                   <property name="alignment">
-                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-                   </property>
-                   <property name="buddy">
-                    <cstring>date</cstring>
-                   </property>
-                  </widget>
-                 </item>
-                </layout>
-               </widget>
-              </item>
-              <item>
-               <widget class="QGroupBox" name="groupBox_2">
-                <property name="title">
-                 <string>&amp;Comments</string>
-                </property>
-                <layout class="QGridLayout" name="gridLayout_4">
-                 <item row="0" column="0">
-                  <widget class="QTextEdit" name="comments">
-                   <property name="acceptRichText">
-                    <bool>false</bool>
-                   </property>
-                  </widget>
-                 </item>
-                </layout>
-               </widget>
-              </item>
-              <item>
-               <widget class="QPushButton" name="fetch_metadata_button">
-                <property name="text">
-                 <string>&amp;Fetch metadata from server</string>
-                </property>
-               </widget>
-              </item>
-             </layout>
+         <property name="currentIndex">
+          <number>0</number>
+         </property>
+         <widget class="QWidget" name="central_tabWidgetPage1">
+          <attribute name="title">
+           <string>&amp;Basic metadata</string>
+          </attribute>
+          <layout class="QVBoxLayout" name="verticalLayout_3">
+           <item>
+            <widget class="QSplitter" name="splitter">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <widget class="QWidget" name="layoutWidget">
+              <layout class="QVBoxLayout">
+               <item>
+                <widget class="QGroupBox" name="meta_box">
+                 <property name="title">
+                  <string>Meta information</string>
+                 </property>
+                 <layout class="QGridLayout" name="gridLayout_3">
+                  <item row="0" column="0">
+                   <widget class="QLabel" name="label">
+                    <property name="text">
+                     <string>&amp;Title: </string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>title</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="1">
+                   <widget class="EnLineEdit" name="title">
+                    <property name="toolTip">
+                     <string>Change the title of this book</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="2" rowspan="2">
+                   <widget class="QToolButton" name="swap_button">
+                    <property name="toolTip">
+                     <string>Swap the author and title</string>
+                    </property>
+                    <property name="text">
+                     <string>...</string>
+                    </property>
+                    <property name="icon">
+                     <iconset resource="../../../../resources/images.qrc">
+                      <normaloff>:/images/swap.svg</normaloff>:/images/swap.svg</iconset>
+                    </property>
+                    <property name="iconSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="0">
+                   <widget class="QLabel" name="label_2">
+                    <property name="text">
+                     <string>&amp;Author(s): </string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>authors</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="0">
+                   <widget class="QLabel" name="label_8">
+                    <property name="text">
+                     <string>Author S&amp;ort: </string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>author_sort</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="1" colspan="2">
+                   <layout class="QHBoxLayout" name="horizontalLayout">
+                    <item>
+                     <widget class="EnLineEdit" name="author_sort">
+                      <property name="toolTip">
+                       <string>Specify how the author(s) of this book should be sorted. For example Charles Dickens should be sorted as Dickens, Charles.</string>
+                      </property>
+                     </widget>
+                    </item>
+                    <item>
+                     <widget class="QToolButton" name="auto_author_sort">
+                      <property name="toolTip">
+                       <string>Automatically create the author sort entry based on the current author entry</string>
+                      </property>
+                      <property name="text">
+                       <string>...</string>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/auto_author_sort.svg</normaloff>:/images/auto_author_sort.svg</iconset>
+                      </property>
+                     </widget>
+                    </item>
+                   </layout>
+                  </item>
+                  <item row="3" column="0">
+                   <widget class="QLabel" name="label_6">
+                    <property name="text">
+                     <string>&amp;Rating:</string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>rating</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="3" column="1" colspan="2">
+                   <widget class="QSpinBox" name="rating">
+                    <property name="toolTip">
+                     <string>Rating of this book. 0-5 stars</string>
+                    </property>
+                    <property name="whatsThis">
+                     <string>Rating of this book. 0-5 stars</string>
+                    </property>
+                    <property name="buttonSymbols">
+                     <enum>QAbstractSpinBox::PlusMinus</enum>
+                    </property>
+                    <property name="suffix">
+                     <string> stars</string>
+                    </property>
+                    <property name="maximum">
+                     <number>5</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="4" column="0">
+                   <widget class="QLabel" name="label_3">
+                    <property name="text">
+                     <string>&amp;Publisher: </string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>publisher</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="5" column="0">
+                   <widget class="QLabel" name="label_4">
+                    <property name="text">
+                     <string>Ta&amp;gs: </string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>tags</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="5" column="1" colspan="2">
+                   <layout class="QHBoxLayout" name="_2">
+                    <item>
+                     <widget class="TagsLineEdit" name="tags">
+                      <property name="toolTip">
+                       <string>Tags categorize the book. This is particularly useful while searching. &lt;br&gt;&lt;br&gt;They can be any words or phrases, separated by commas.</string>
+                      </property>
+                     </widget>
+                    </item>
+                    <item>
+                     <widget class="QToolButton" name="tag_editor_button">
+                      <property name="toolTip">
+                       <string>Open Tag Editor</string>
+                      </property>
+                      <property name="text">
+                       <string>Open Tag Editor</string>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/chapters.svg</normaloff>:/images/chapters.svg</iconset>
+                      </property>
+                     </widget>
+                    </item>
+                   </layout>
+                  </item>
+                  <item row="6" column="0">
+                   <widget class="QLabel" name="label_7">
+                    <property name="text">
+                     <string>&amp;Series:</string>
+                    </property>
+                    <property name="textFormat">
+                     <enum>Qt::PlainText</enum>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>series</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="6" column="1" colspan="2">
+                   <layout class="QHBoxLayout" name="_3">
+                    <property name="spacing">
+                     <number>5</number>
+                    </property>
+                    <item>
+                     <widget class="EnComboBox" name="series">
+                      <property name="sizePolicy">
+                       <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+                        <horstretch>0</horstretch>
+                        <verstretch>0</verstretch>
+                       </sizepolicy>
+                      </property>
+                      <property name="toolTip">
+                       <string>List of known series. You can add new series.</string>
+                      </property>
+                      <property name="whatsThis">
+                       <string>List of known series. You can add new series.</string>
+                      </property>
+                      <property name="editable">
+                       <bool>true</bool>
+                      </property>
+                      <property name="insertPolicy">
+                       <enum>QComboBox::InsertAlphabetically</enum>
+                      </property>
+                      <property name="sizeAdjustPolicy">
+                       <enum>QComboBox::AdjustToContents</enum>
+                      </property>
+                     </widget>
+                    </item>
+                    <item>
+                     <widget class="QToolButton" name="remove_series_button">
+                      <property name="toolTip">
+                       <string>Remove unused series (Series that have no books)</string>
+                      </property>
+                      <property name="text">
+                       <string>...</string>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/trash.svg</normaloff>:/images/trash.svg</iconset>
+                      </property>
+                     </widget>
+                    </item>
+                   </layout>
+                  </item>
+                  <item row="8" column="0">
+                   <widget class="QLabel" name="label_9">
+                    <property name="text">
+                     <string>IS&amp;BN:</string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>isbn</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="8" column="1" colspan="2">
+                   <widget class="QLineEdit" name="isbn"/>
+                  </item>
+                  <item row="10" column="0">
+                   <widget class="QLabel" name="label_10">
+                    <property name="text">
+                     <string>Publishe&amp;d:</string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>pubdate</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="4" column="1" colspan="2">
+                   <widget class="EnComboBox" name="publisher">
+                    <property name="editable">
+                     <bool>true</bool>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="7" column="1" colspan="2">
+                   <widget class="QDoubleSpinBox" name="series_index">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="prefix">
+                     <string>Book </string>
+                    </property>
+                    <property name="maximum">
+                     <double>9999.989999999999782</double>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="10" column="1" colspan="2">
+                   <widget class="QDateEdit" name="pubdate">
+                    <property name="displayFormat">
+                     <string>MMM yyyy</string>
+                    </property>
+                    <property name="calendarPopup">
+                     <bool>true</bool>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="1">
+                   <widget class="EnComboBox" name="authors">
+                    <property name="editable">
+                     <bool>true</bool>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="9" column="1" colspan="2">
+                   <widget class="QDateEdit" name="date">
+                    <property name="displayFormat">
+                     <string>dd MMM yyyy</string>
+                    </property>
+                    <property name="calendarPopup">
+                     <bool>true</bool>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="9" column="0">
+                   <widget class="QLabel" name="label_11">
+                    <property name="text">
+                     <string>&amp;Date:</string>
+                    </property>
+                    <property name="alignment">
+                     <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+                    </property>
+                    <property name="buddy">
+                     <cstring>date</cstring>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+               <item>
+                <widget class="QGroupBox" name="groupBox_2">
+                 <property name="title">
+                  <string>&amp;Comments</string>
+                 </property>
+                 <layout class="QGridLayout" name="gridLayout_4">
+                  <item row="0" column="0">
+                   <widget class="QTextEdit" name="comments">
+                    <property name="acceptRichText">
+                     <bool>false</bool>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+               <item>
+                <widget class="QPushButton" name="fetch_metadata_button">
+                 <property name="text">
+                  <string>&amp;Fetch metadata from server</string>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </widget>
+             <widget class="QWidget" name="layoutWidget_2">
+              <layout class="QVBoxLayout" name="verticalLayout_2">
+               <item>
+                <widget class="QGroupBox" name="af_group_box">
+                 <property name="sizePolicy">
+                  <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+                   <horstretch>0</horstretch>
+                   <verstretch>0</verstretch>
+                  </sizepolicy>
+                 </property>
+                 <property name="title">
+                  <string>Available Formats</string>
+                 </property>
+                 <layout class="QVBoxLayout" name="verticalLayout">
+                  <item>
+                   <layout class="QGridLayout" name="gridLayout">
+                    <item row="0" column="1" rowspan="3">
+                     <widget class="FormatList" name="formats">
+                      <property name="sizePolicy">
+                       <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+                        <horstretch>0</horstretch>
+                        <verstretch>0</verstretch>
+                       </sizepolicy>
+                      </property>
+                      <property name="maximumSize">
+                       <size>
+                        <width>16777215</width>
+                        <height>130</height>
+                       </size>
+                      </property>
+                      <property name="dragDropMode">
+                       <enum>QAbstractItemView::DropOnly</enum>
+                      </property>
+                      <property name="iconSize">
+                       <size>
+                        <width>64</width>
+                        <height>64</height>
+                       </size>
+                      </property>
+                     </widget>
+                    </item>
+                    <item row="0" column="2">
+                     <widget class="QToolButton" name="add_format_button">
+                      <property name="toolTip">
+                       <string>Add a new format for this book to the database</string>
+                      </property>
+                      <property name="text">
+                       <string>...</string>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/add_book.svg</normaloff>:/images/add_book.svg</iconset>
+                      </property>
+                      <property name="iconSize">
+                       <size>
+                        <width>32</width>
+                        <height>32</height>
+                       </size>
+                      </property>
+                     </widget>
+                    </item>
+                    <item row="2" column="2">
+                     <widget class="QToolButton" name="remove_format_button">
+                      <property name="toolTip">
+                       <string>Remove the selected formats for this book from the database.</string>
+                      </property>
+                      <property name="text">
+                       <string>...</string>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/trash.svg</normaloff>:/images/trash.svg</iconset>
+                      </property>
+                      <property name="iconSize">
+                       <size>
+                        <width>32</width>
+                        <height>32</height>
+                       </size>
+                      </property>
+                     </widget>
+                    </item>
+                    <item row="0" column="0">
+                     <widget class="QToolButton" name="button_set_cover">
+                      <property name="toolTip">
+                       <string>Set the cover for the book from the selected format</string>
+                      </property>
+                      <property name="text">
+                       <string>...</string>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/book.svg</normaloff>:/images/book.svg</iconset>
+                      </property>
+                      <property name="iconSize">
+                       <size>
+                        <width>32</width>
+                        <height>32</height>
+                       </size>
+                      </property>
+                     </widget>
+                    </item>
+                    <item row="2" column="0">
+                     <widget class="QToolButton" name="button_set_metadata">
+                      <property name="toolTip">
+                       <string>Update metadata from the metadata in the selected format</string>
+                      </property>
+                      <property name="text">
+                       <string/>
+                      </property>
+                      <property name="icon">
+                       <iconset resource="../../../../resources/images.qrc">
+                        <normaloff>:/images/edit_input.svg</normaloff>:/images/edit_input.svg</iconset>
+                      </property>
+                      <property name="iconSize">
+                       <size>
+                        <width>32</width>
+                        <height>32</height>
+                       </size>
+                      </property>
+                     </widget>
+                    </item>
+                   </layout>
+                  </item>
+                 </layout>
+                 <zorder></zorder>
+                </widget>
+               </item>
+               <item>
+                <widget class="QGroupBox" name="bc_box">
+                 <property name="sizePolicy">
+                  <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+                   <horstretch>0</horstretch>
+                   <verstretch>10</verstretch>
+                  </sizepolicy>
+                 </property>
+                 <property name="title">
+                  <string>Book Cover</string>
+                 </property>
+                 <layout class="QVBoxLayout" name="verticalLayout_4">
+                  <item>
+                   <widget class="ImageView" name="cover">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="pixmap">
+                     <pixmap resource="../../../../resources/images.qrc">:/images/book.svg</pixmap>
+                    </property>
+                    <property name="scaledContents">
+                     <bool>true</bool>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <layout class="QVBoxLayout" name="_4">
+                    <property name="spacing">
+                     <number>6</number>
+                    </property>
+                    <property name="sizeConstraint">
+                     <enum>QLayout::SetMaximumSize</enum>
+                    </property>
+                    <property name="margin">
+                     <number>0</number>
+                    </property>
+                    <item>
+                     <widget class="QLabel" name="label_5">
+                      <property name="text">
+                       <string>Change &amp;cover image:</string>
+                      </property>
+                      <property name="buddy">
+                       <cstring>cover_path</cstring>
+                      </property>
+                     </widget>
+                    </item>
+                    <item>
+                     <layout class="QHBoxLayout" name="_5">
+                      <property name="spacing">
+                       <number>6</number>
+                      </property>
+                      <property name="margin">
+                       <number>0</number>
+                      </property>
+                      <item>
+                       <widget class="QLineEdit" name="cover_path">
+                        <property name="readOnly">
+                         <bool>true</bool>
+                        </property>
+                       </widget>
+                      </item>
+                      <item>
+                       <widget class="QToolButton" name="cover_button">
+                        <property name="toolTip">
+                         <string>Browse for an image to use as the cover of this book.</string>
+                        </property>
+                        <property name="text">
+                         <string>...</string>
+                        </property>
+                        <property name="icon">
+                         <iconset resource="../../../../resources/images.qrc">
+                          <normaloff>:/images/document_open.svg</normaloff>:/images/document_open.svg</iconset>
+                        </property>
+                       </widget>
+                      </item>
+                      <item>
+                       <widget class="QToolButton" name="reset_cover">
+                        <property name="toolTip">
+                         <string>Reset cover to default</string>
+                        </property>
+                        <property name="text">
+                         <string>...</string>
+                        </property>
+                        <property name="icon">
+                         <iconset resource="../../../../resources/images.qrc">
+                          <normaloff>:/images/trash.svg</normaloff>:/images/trash.svg</iconset>
+                        </property>
+                       </widget>
+                      </item>
+                     </layout>
+                    </item>
+                   </layout>
+                  </item>
+                  <item>
+                   <layout class="QHBoxLayout" name="_6">
+                    <item>
+                     <widget class="QPushButton" name="fetch_cover_button">
+                      <property name="text">
+                       <string>Download &amp;cover</string>
+                      </property>
+                     </widget>
+                    </item>
+                   </layout>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+              </layout>
+             </widget>
             </widget>
-            <widget class="QWidget" name="layoutWidget_2">
-             <layout class="QVBoxLayout" name="verticalLayout_2">
-              <item>
-               <widget class="QGroupBox" name="af_group_box">
-                <property name="sizePolicy">
-                 <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
-                  <horstretch>0</horstretch>
-                  <verstretch>0</verstretch>
-                 </sizepolicy>
-                </property>
-                <property name="title">
-                 <string>Available Formats</string>
-                </property>
-                <layout class="QVBoxLayout" name="verticalLayout">
-                 <item>
-                  <layout class="QGridLayout" name="gridLayout">
-                   <item row="0" column="1" rowspan="3">
-                    <widget class="FormatList" name="formats">
-                     <property name="sizePolicy">
-                      <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
-                       <horstretch>0</horstretch>
-                       <verstretch>0</verstretch>
-                      </sizepolicy>
-                     </property>
-                     <property name="maximumSize">
-                      <size>
-                       <width>16777215</width>
-                       <height>130</height>
-                      </size>
-                     </property>
-                     <property name="dragDropMode">
-                      <enum>QAbstractItemView::DropOnly</enum>
-                     </property>
-                     <property name="iconSize">
-                      <size>
-                       <width>64</width>
-                       <height>64</height>
-                      </size>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="2">
-                    <widget class="QToolButton" name="add_format_button">
-                     <property name="toolTip">
-                      <string>Add a new format for this book to the database</string>
-                     </property>
-                     <property name="text">
-                      <string>...</string>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/add_book.svg</normaloff>:/images/add_book.svg</iconset>
-                     </property>
-                     <property name="iconSize">
-                      <size>
-                       <width>32</width>
-                       <height>32</height>
-                      </size>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="2">
-                    <widget class="QToolButton" name="remove_format_button">
-                     <property name="toolTip">
-                      <string>Remove the selected formats for this book from the database.</string>
-                     </property>
-                     <property name="text">
-                      <string>...</string>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/trash.svg</normaloff>:/images/trash.svg</iconset>
-                     </property>
-                     <property name="iconSize">
-                      <size>
-                       <width>32</width>
-                       <height>32</height>
-                      </size>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="0">
-                    <widget class="QToolButton" name="button_set_cover">
-                     <property name="toolTip">
-                      <string>Set the cover for the book from the selected format</string>
-                     </property>
-                     <property name="text">
-                      <string>...</string>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/book.svg</normaloff>:/images/book.svg</iconset>
-                     </property>
-                     <property name="iconSize">
-                      <size>
-                       <width>32</width>
-                       <height>32</height>
-                      </size>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="0">
-                    <widget class="QToolButton" name="button_set_metadata">
-                     <property name="toolTip">
-                      <string>Update metadata from the metadata in the selected format</string>
-                     </property>
-                     <property name="text">
-                      <string/>
-                     </property>
-                     <property name="icon">
-                      <iconset resource="../../../../resources/images.qrc">
-                       <normaloff>:/images/edit_input.svg</normaloff>:/images/edit_input.svg</iconset>
-                     </property>
-                     <property name="iconSize">
-                      <size>
-                       <width>32</width>
-                       <height>32</height>
-                      </size>
-                     </property>
-                    </widget>
-                   </item>
-                  </layout>
-                 </item>
-                </layout>
-                <zorder></zorder>
-               </widget>
-              </item>
-              <item>
-               <widget class="QGroupBox" name="bc_box">
-                <property name="sizePolicy">
-                 <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
-                  <horstretch>0</horstretch>
-                  <verstretch>10</verstretch>
-                 </sizepolicy>
-                </property>
-                <property name="title">
-                 <string>Book Cover</string>
-                </property>
-                <layout class="QVBoxLayout" name="verticalLayout_4">
-                 <item>
-                  <widget class="ImageView" name="cover">
-                   <property name="sizePolicy">
-                    <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-                     <horstretch>0</horstretch>
-                     <verstretch>0</verstretch>
-                    </sizepolicy>
-                   </property>
-                   <property name="text">
-                    <string/>
-                   </property>
-                   <property name="pixmap">
-                    <pixmap resource="../../../../resources/images.qrc">:/images/book.svg</pixmap>
-                   </property>
-                   <property name="scaledContents">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item>
-                  <layout class="QVBoxLayout" name="_4">
-                   <property name="spacing">
-                    <number>6</number>
-                   </property>
-                   <property name="sizeConstraint">
-                    <enum>QLayout::SetMaximumSize</enum>
-                   </property>
-                   <property name="margin">
-                    <number>0</number>
-                   </property>
-                   <item>
-                    <widget class="QLabel" name="label_5">
-                     <property name="text">
-                      <string>Change &amp;cover image:</string>
-                     </property>
-                     <property name="buddy">
-                      <cstring>cover_path</cstring>
-                     </property>
-                    </widget>
-                   </item>
-                   <item>
-                    <layout class="QHBoxLayout" name="_5">
-                     <property name="spacing">
-                      <number>6</number>
-                     </property>
-                     <property name="margin">
-                      <number>0</number>
-                     </property>
-                     <item>
-                      <widget class="QLineEdit" name="cover_path">
-                       <property name="readOnly">
-                        <bool>true</bool>
-                       </property>
-                      </widget>
-                     </item>
-                     <item>
-                      <widget class="QToolButton" name="cover_button">
-                       <property name="toolTip">
-                        <string>Browse for an image to use as the cover of this book.</string>
-                       </property>
-                       <property name="text">
-                        <string>...</string>
-                       </property>
-                       <property name="icon">
-                        <iconset resource="../../../../resources/images.qrc">
-                         <normaloff>:/images/document_open.svg</normaloff>:/images/document_open.svg</iconset>
-                       </property>
-                      </widget>
-                     </item>
-                     <item>
-                      <widget class="QToolButton" name="reset_cover">
-                       <property name="toolTip">
-                        <string>Reset cover to default</string>
-                       </property>
-                       <property name="text">
-                        <string>...</string>
-                       </property>
-                       <property name="icon">
-                        <iconset resource="../../../../resources/images.qrc">
-                         <normaloff>:/images/trash.svg</normaloff>:/images/trash.svg</iconset>
-                       </property>
-                      </widget>
-                     </item>
-                    </layout>
-                   </item>
-                  </layout>
-                 </item>
-                 <item>
-                  <layout class="QHBoxLayout" name="_6">
-                   <item>
-                    <widget class="QPushButton" name="fetch_cover_button">
-                     <property name="text">
-                      <string>Download &amp;cover</string>
-                     </property>
-                    </widget>
-                   </item>
-                  </layout>
-                 </item>
-                </layout>
-               </widget>
-              </item>
-             </layout>
-            </widget>
-           </widget>
-          </item>
-         </layout>
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="tab">
+          <attribute name="title">
+           <string>&amp;Custom metadata</string>
+          </attribute>
+          <layout class="QGridLayout" name="gridLayout_2"/>
+         </widget>
         </widget>
        </item>
       </layout>
diff --git a/src/calibre/gui2/library.py b/src/calibre/gui2/library.py
index c1a8057844..97d66c3856 100644
--- a/src/calibre/gui2/library.py
+++ b/src/calibre/gui2/library.py
@@ -12,14 +12,14 @@ from PyQt4.QtGui import QTableView, QAbstractItemView, QColor, \
                         QPen, QStyle, QPainter, QStyleOptionViewItemV4, \
                         QIcon, QImage, QMenu, \
                         QStyledItemDelegate, QCompleter, QIntValidator, \
-                        QDoubleValidator, QCheckBox
+                        QDoubleValidator, QComboBox
 from PyQt4.QtCore import QAbstractTableModel, QVariant, Qt, pyqtSignal, \
                          SIGNAL, QObject, QSize, QModelIndex, QDate
 
 from calibre import strftime
 from calibre.ebooks.metadata import string_to_authors, fmt_sidx, authors_to_string
 from calibre.ebooks.metadata.meta import set_metadata as _set_metadata
-from calibre.gui2 import NONE, TableView, config, error_dialog
+from calibre.gui2 import NONE, TableView, config, error_dialog, UNDEFINED_DATE
 from calibre.gui2.dialogs.comments_dialog import CommentsDialog
 from calibre.gui2.widgets import EnLineEdit, TagsLineEdit
 from calibre.library.caches import _match, CONTAINS_MATCH, EQUALS_MATCH, REGEXP_MATCH
@@ -29,6 +29,7 @@ from calibre.utils.date import dt_factory, qt_to_dt, isoformat
 from calibre.utils.pyparsing import ParseException
 from calibre.utils.search_query_parser import SearchQueryParser
 
+
 class RatingDelegate(QStyledItemDelegate):
     COLOR    = QColor("blue")
     SIZE     = 16
@@ -79,14 +80,14 @@ class RatingDelegate(QStyledItemDelegate):
             painter.setRenderHint(QPainter.Antialiasing)
             painter.setClipRect(option.rect)
             y = option.rect.center().y()-self.SIZE/2.
-            x = option.rect.right()  - self.SIZE
+            x = option.rect.left()
             painter.setPen(self.PEN)
             painter.setBrush(self.brush)
             painter.translate(x, y)
             i = 0
             while i < num:
                 draw_star()
-                painter.translate(-self.SIZE, 0)
+                painter.translate(self.SIZE, 0)
                 i += 1
         except:
             traceback.print_exc()
@@ -99,8 +100,11 @@ class RatingDelegate(QStyledItemDelegate):
         return sb
 
 class DateDelegate(QStyledItemDelegate):
+
     def displayText(self, val, locale):
         d = val.toDate()
+        if d == UNDEFINED_DATE:
+            return ''
         return d.toString('dd MMM yyyy')
 
     def createEditor(self, parent, option, index):
@@ -109,18 +113,24 @@ class DateDelegate(QStyledItemDelegate):
         if 'yyyy' not in stdformat:
             stdformat = stdformat.replace('yy', 'yyyy')
         qde.setDisplayFormat(stdformat)
-        qde.setMinimumDate(QDate(101,1,1))
+        qde.setMinimumDate(UNDEFINED_DATE)
+        qde.setSpecialValueText(_('Undefined'))
         qde.setCalendarPopup(True)
         return qde
 
 class PubDateDelegate(QStyledItemDelegate):
+
     def displayText(self, val, locale):
-        return val.toDate().toString('MMM yyyy')
+        d = val.toDate()
+        if d == UNDEFINED_DATE:
+            return ''
+        return d.toString('MMM yyyy')
 
     def createEditor(self, parent, option, index):
         qde = QStyledItemDelegate.createEditor(self, parent, option, index)
         qde.setDisplayFormat('MM yyyy')
-        qde.setMinimumDate(QDate(101,1,1))
+        qde.setMinimumDate(UNDEFINED_DATE)
+        qde.setSpecialValueText(_('Undefined'))
         qde.setCalendarPopup(True)
         return qde
 
@@ -217,16 +227,19 @@ class CcBoolDelegate(QStyledItemDelegate):
         QStyledItemDelegate.__init__(self, parent)
 
     def createEditor(self, parent, option, index):
-        editor = QCheckBox(parent)
+        editor = QComboBox(parent)
+        items = [_('Y'), _('N'), ' ']
+        icons = [I('ok.svg'), I('list_remove.svg'), I('blank.svg')]
         if tweaks['bool_custom_columns_are_tristate'] == 'no':
-            pass
-        else:
-            if tweaks['bool_custom_columns_are_tristate'] == 'yes':
-                editor.setTristate(True)
+            items = items[:-1]
+            icons = icons[:-1]
+        for icon, text in zip(icons, items):
+            editor.addItem(QIcon(icon), text)
         return editor
 
     def setModelData(self, editor, model, index):
-        model.setData(index, QVariant(editor.checkState()), Qt.EditRole)
+        val = {0:True, 1:False, 2:None}[editor.currentIndex()]
+        model.setData(index, QVariant(val), Qt.EditRole)
 
     def setEditorData(self, editor, index):
         m = index.model()
@@ -234,10 +247,10 @@ class CcBoolDelegate(QStyledItemDelegate):
         # gui column -> column label -> table number -> db column
         val = m.db.data[index.row()][m.db.FIELD_MAP[m.custom_columns[m.column_map[index.column()]]['num']]]
         if tweaks['bool_custom_columns_are_tristate'] == 'no':
-            val = Qt.Unchecked if val is None or not val else Qt.Checked
+            val = 1 if not val else 0
         else:
-            val = Qt.PartiallyChecked if val is None else Qt.Unchecked if not val else Qt.Checked
-        editor.setCheckState(val)
+            val = 2 if val is None else 1 if not val else 0
+        editor.setCurrentIndex(val)
 
 class BooksModel(QAbstractTableModel):
 
@@ -692,7 +705,7 @@ class BooksModel(QAbstractTableModel):
             if val is not None:
                 return QVariant(QDate(val))
             else:
-                return QVariant(QDate())
+                return QVariant(UNDEFINED_DATE)
 
         def bool_type(r, idx=-1):
             return None # displayed using a decorator
@@ -816,8 +829,7 @@ class BooksModel(QAbstractTableModel):
             val = unicode(value.toString()).strip()
             val = val if val else None
         if typ == 'bool':
-            val = value.toInt()[0] # tristate checkboxes put unknown in the middle
-            val = None if val == 1 else False if val == 0 else True
+            val = value.toPyObject()
         elif typ == 'rating':
             val = value.toInt()[0]
             val = 0 if val < 0 else 5 if val > 5 else val
diff --git a/src/calibre/gui2/search_box.py b/src/calibre/gui2/search_box.py
index 4303881f02..8770758eeb 100644
--- a/src/calibre/gui2/search_box.py
+++ b/src/calibre/gui2/search_box.py
@@ -73,7 +73,7 @@ class SearchBox2(QComboBox):
         self.setInsertPolicy(self.NoInsert)
         self.setMaxCount(self.MAX_COUNT)
         self.setSizeAdjustPolicy(self.AdjustToMinimumContentsLengthWithIcon)
-        self.setMinimumContentsLength(50)
+        self.setMinimumContentsLength(25)
 
     def initialize(self, opt_name, colorize=False,
             help_text=_('Search')):
@@ -306,4 +306,4 @@ class SavedSearchBox(QComboBox):
         idx = self.currentIndex();
         if idx < 0:
             return
-        self.search_box.set_search_string(self.saved_searches.lookup(unicode(self.currentText())))
\ No newline at end of file
+        self.search_box.set_search_string(self.saved_searches.lookup(unicode(self.currentText())))
diff --git a/src/calibre/gui2/widgets.py b/src/calibre/gui2/widgets.py
index db5f222408..33fff1bfcb 100644
--- a/src/calibre/gui2/widgets.py
+++ b/src/calibre/gui2/widgets.py
@@ -530,7 +530,7 @@ class BasicList(QListWidget):
 class LineEditECM(object):
 
     '''
-    Extend the contenxt menu of a QLineEdit to include more actions.
+    Extend the context menu of a QLineEdit to include more actions.
     '''
 
     def contextMenuEvent(self, event):
@@ -659,7 +659,7 @@ class EnComboBox(QComboBox):
     '''
     Enhanced QComboBox.
 
-    Includes an extended content menu.
+    Includes an extended context menu.
     '''
 
     def __init__(self, *args):