diff --git a/src/calibre/gui2/viewer/main.py b/src/calibre/gui2/viewer/main.py
index 4c4d9db47e..ff902abfe6 100644
--- a/src/calibre/gui2/viewer/main.py
+++ b/src/calibre/gui2/viewer/main.py
@@ -2,8 +2,6 @@
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
 
-# TODO: --open-at and --continue command line options
-
 from __future__ import absolute_import, division, print_function, unicode_literals
 
 import os
@@ -112,7 +110,8 @@ View an e-book.
         'The position at which to open the specified book. The position is '
         'a location as displayed in the top left corner of the viewer. '
         'Alternately, you can use the form toc:something and it will open '
-        'at the location of the first Table of Contents entry that contains the string "something".'))
+        'at the location of the first Table of Contents entry that contains '
+        'the string "something".'))
     a('--continue', default=False, action='store_true', dest='continue_reading',
         help=_('Continue reading at the previously opened book'))
 
@@ -154,7 +153,7 @@ def main(args=sys.argv):
     app.file_event_hook = acc
     app.load_builtin_fonts()
     app.setWindowIcon(QIcon(I('viewer.png')))
-    main = EbookViewer()
+    main = EbookViewer(open_at=open_at, continue_reading=opts.continue_reading)
     main.set_exception_handler()
     if len(args) > 1:
         acc.events.append(args[-1])
diff --git a/src/calibre/gui2/viewer/ui.py b/src/calibre/gui2/viewer/ui.py
index e585f47dde..5d24df7b52 100644
--- a/src/calibre/gui2/viewer/ui.py
+++ b/src/calibre/gui2/viewer/ui.py
@@ -47,7 +47,7 @@ class EbookViewer(MainWindow):
     book_prepared = pyqtSignal(object, object)
     MAIN_WINDOW_STATE_VERSION = 1
 
-    def __init__(self):
+    def __init__(self, open_at=None, continue_reading=None):
         MainWindow.__init__(self, None)
         self.base_window_title = _('E-book viewer')
         self.setWindowTitle(self.base_window_title)
@@ -99,6 +99,8 @@ class EbookViewer(MainWindow):
         self.web_view.ask_for_open.connect(self.ask_for_open, type=Qt.QueuedConnection)
         self.setCentralWidget(self.web_view)
         self.restore_state()
+        if continue_reading:
+            self.continue_reading()
 
     def toggle_inspector(self):
         visible = self.inspector_dock.toggleViewAction().isChecked()
@@ -181,9 +183,15 @@ class EbookViewer(MainWindow):
             path = files[0]
         self.load_ebook(path)
 
+    def continue_reading(self):
+        rl = vprefs['session_data'].get('standalone_recently_opened')
+        if rl:
+            entry = rl[0]
+            self.load_ebook(entry['pathtoebook'])
+
     def load_ebook(self, pathtoebook, open_at=None, reload_book=False):
         # TODO: Implement open_at
-        self.setWindowTitle(_('Loading book … — {}').format(self.base_window_title))
+        self.setWindowTitle(_('Loading book… — {}').format(self.base_window_title))
         self.web_view.show_preparing_message()
         self.save_annotations()
         self.current_book_data = {}