Oh this thread is heaven!
I am a book lover, but I also love interior design and have always been somewhat obsessed with having everything in my room look visually appealing.
As of now, I only have a simple, boring bookcase, which also happens to be old, cheap and ugly, and I'm running out of room with it anyway, so I've been looking for creative ways to store/display all my books...this thread has really given me some inspiration!
Here's some more...
Pictures are from weburbanist.com, freshome.com, and readymade.com
There are so many I found at the following links, so I'm only posting my favorites, but be sure to visit
here or
here to see more shelves, and read details about the shelves shown, and also
here and
here to get instructions on how to recycle stuff you already have to build two of the bookshelves I've attached pictures of.