I love books. Chances are, you love books, too. The problem with that is that there is never enough room for all of the books you've read, and never enough for all the ones that you want to get around to reading because physical space is at a premium, and pesky structures like doors get in the way of building bookcases. That is, unless you do what this guy did and build a classic-style "door hidden behind a hinged bookcase". Rather than buy bookcase kits from a furniture store, kenbob@instructables designed his own bookcases and figured out how to …