01-07-2013 12:15 PM - edited 01-07-2013 01:03 PM
If you just touch the center of the page, you'll see the option bars across the top and bottom of the screen. Touch the icon on the left of the top bar to go back to the library. This was a piece of idiocy in the last update. It used to be labeled "Back to library" but someone decided it made more sense to replace it with an unidentifiable icon.
The icon looks kind of like: