Old door turned into shelf.
Great tips! How To Style a Bookcase
DIY: Awesome tutorial - how to customize your closet to suit your needs. The materials used are piping and wood shelving. This closet is better than any of those closet organizers out there!
Closet turned into library.
Basic wood shelves from 2x10 boards. Use wood screws, countersink & fill with wood putty then prime & paint. Easy cheap shelves
secret passageway. yep.
Library guest bedroom
Cozy library. Colors, built-ins.