- url(r'^newest/', book_list_resource, {"newest": True, "top_level": True, "count": 20}, name='api_newest_list'),
- url(r'^filter-books/', filter_book_resource, name='api_filter_books'),
+ url(r'^newest/$', book_list_resource, {"newest": True, "top_level": True, "count": 20}, name='api_newest_list'),
+ url(r'^filter-books/$', filter_book_resource, name='api_filter_books'),
+
+ url(r'^preview/$', preview_resource, name='api_preview'),