A slim floating bookcase is a nice, clean way to add storage to dead space.In other words, make your dead space COME ALIVE. Get the directions here on how to turn an Ikea bookshelf into a floating one.
suitcase halves as shelves! i have not seen them used this way before (usually the suitcases are cut in half horizontally while closed--these are halved by removing the hinges, which keeps the structure intact).
Teen guest bedroom office study row of wall cabinet storage over bed desk