diff --git a/src/calibre/db/legacy.py b/src/calibre/db/legacy.py
index 2ad5da61b8..809ec816a8 100644
--- a/src/calibre/db/legacy.py
+++ b/src/calibre/db/legacy.py
@@ -8,6 +8,7 @@ __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
 
 import os, traceback
 from functools import partial
+from future_builtins import zip
 
 from calibre.db import _get_next_series_num_for_list, _get_series_values
 from calibre.db.backend import DB
@@ -150,7 +151,7 @@ class LibraryDatabase(object):
     def path(self, index, index_is_id=False):
         'Return the relative path to the directory containing this books files as a unicode string.'
         book_id = index if index_is_id else self.data.index_to_id(index)
-        return self.data.cache.field_for('path', book_id).replace('/', os.sep)
+        return self.new_api.field_for('path', book_id).replace('/', os.sep)
 
     def abspath(self, index, index_is_id=False, create_dirs=True):
         'Return the absolute path to the directory containing this books files as a unicode string.'
@@ -159,6 +160,23 @@ class LibraryDatabase(object):
             os.makedirs(path)
         return path
 
+    def create_book_entry(self, mi, cover=None, add_duplicates=True, force_id=None):
+        return self.new_api.create_book_entry(mi, cover=cover, add_duplicates=add_duplicates, force_id=force_id)
+
+    def add_books(self, paths, formats, metadata, add_duplicates=True, return_ids=False):
+        books = [(mi, {fmt:path}) for mi, path, fmt in zip(metadata, paths, formats)]
+        book_ids, duplicates = self.new_api.add_books(books, add_duplicates=add_duplicates, dbapi=self)
+        if duplicates:
+            paths, formats, metadata = [], [], []
+            for mi, format_map in duplicates:
+                metadata.append(mi)
+                for fmt, path in format_map.iteritems():
+                    formats.append(fmt)
+                    paths.append(path)
+            duplicates = (paths, formats, metadata)
+        ids = book_ids if return_ids else len(book_ids)
+        return duplicates or None, ids
+
     # Private interface {{{
 
     def __iter__(self):
diff --git a/src/calibre/db/tests/legacy.py b/src/calibre/db/tests/legacy.py
index ae99d8190f..5735d77ff4 100644
--- a/src/calibre/db/tests/legacy.py
+++ b/src/calibre/db/tests/legacy.py
@@ -7,8 +7,27 @@ __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
 
 import inspect
+from repr import repr
+from functools import partial
+from tempfile import NamedTemporaryFile
+
 from calibre.db.tests.base import BaseTest
 
+class ET(object):
+
+    def __init__(self, func_name, args, kwargs={}, old=None, legacy=None):
+        self.func_name = func_name
+        self.args, self.kwargs = args, kwargs
+        self.old, self.legacy = old, legacy
+
+    def __call__(self, test):
+        old = self.old or test.init_old(test.cloned_library)
+        legacy = self.legacy or test.init_legacy(test.cloned_library)
+        oldres = getattr(old, self.func_name)(*self.args, **self.kwargs)
+        newres = getattr(legacy, self.func_name)(*self.args, **self.kwargs)
+        test.assertEqual(oldres, newres, 'Equivalence test for %s with args: %s and kwargs: %s failed' % (
+            self.func_name, repr(self.args), repr(self.kwargs)))
+
 class LegacyTest(BaseTest):
 
     ''' Test the emulation of the legacy interface. '''
@@ -119,6 +138,26 @@ class LegacyTest(BaseTest):
         db.close()
         # }}}
 
+    def test_legacy_adding_books(self):  # {{{
+        'Test various adding books methods'
+        from calibre.ebooks.metadata.book.base import Metadata
+        legacy, old = self.init_legacy(self.cloned_library), self.init_old(self.cloned_library)
+        mi = Metadata('Added Book', authors=('Added Author',))
+        with NamedTemporaryFile(suffix='.aff') as f:
+            f.write(b'xxx')
+            f.flush()
+            T = partial(ET, 'add_books', ([f.name], ['AFF'], [mi]), old=old, legacy=legacy)
+            T()(self)
+            T(kwargs={'return_ids':True})(self)
+            T(kwargs={'add_duplicates':False})(self)
+
+        mi.title = 'Added Book2'
+        T = partial(ET, 'create_book_entry', (mi,), old=old, legacy=legacy)
+        T()
+        T({'add_duplicates':False})
+        T({'force_id':1000})
+    # }}}
+
     def test_legacy_coverage(self):  # {{{
         ' Check that the emulation of the legacy interface is (almost) total '
         cl = self.cloned_library