Rather than jamming shelves full of knickknacks, Eisen opted for a minimalist look: Several books stand upright along with tall vases that fill the space without overcrowding it. She also added objects of various height and color to give the bookcase personality. Her favorite part about decorating this home? "Turning wasted, unused space into a functional reading nook that can be enjoyed by many by simply adding a chair." Steal this look with clusters of tall, affordable vases.