This is the perfect place to put a pull out bed! I always look at those beds and thing they're impractical because it's too hard to leave all of the open floorspace needed for one but I'd happily do it for this library/reading space.
How We Built Our Library Bookshelves- this is a great tutorial on how to build bookshelves, and a great blog site for interior Design.
Dr. Seuss quote perfect for the kids reading corner... Either written on wall or painted on canvas.
A traveling tiny house bookstore from France!
bookshelves with ladders - Google Search- Steve could build this....
Awesome DIY Library Wall for Less Than $600. Kristen used IKEA Billy Bookshelves and added trim. BHG Style Spotters
Rupert Bevan - Limed Oak Library My favorite style for a bookcase. One with a sliding ladder
Super cute classroom library! Includes marquee letters from Target.
DIY Library Bookshelves - DesigningDawn.com