Glue Old Book Spines to a Box for Hidden Storage. Leave the front cover on one of the books and the back cover on another to use as the sides of your box. This would be perfect for spare remotes, cables, router, or anything else you wish to keep out of sight, but accessible.
DIY Paper bag book covers...the solution I need to coordinate those ugly grad. school books for the living room shelves. Easy access but, much better display. Probably go with a white paper look to be a little more classy but, this is def. the idea.