The Lectern is a scrapped project of Dinnerbone. It was supposed to be a way for books to be stored and read at the same time. Now I propose that it is to be added, for It will have many applications in servers, and adventure maps or even in singleplayer.
Wiki page:
http://www.minecraftwiki.net/wiki/Lectern
Photo:
http://imgur.com/a/G8Dql