Add a splash of personality to a lackluster work space by covering plain floating bookshelves with wallpaper. Measure the shelf, and cut the wallpaper slightly longer than shelf and wide enough to wrap around it with an overlap. Use wallpaper paste to affix the wallpaper to the shelf, pasting one side at a time. Cut slits into excess paper at ends, forming flaps; fold down, and affix with paste. Let dry completely, and hang shelves as usual.