OpenGraph meta tags added to website
Added OpenGraph books
Add more information for OpenGraph books
Book author in OpenGraph
Book author in OpenGraph
Corrected OpenGraph books
Facebook module created
Adding facebook actions
Per-Book like button
Per-Book like button
Liking individual books works
Better position for book like button
Added debug output
Added debug output
Error messages
Borrow action in opengraph
Hauptseite eingedeutscht
Remove own books from list
Removing books works flawlessly