Uniquely designed shelves to hold books, DVDs and CDs can bring versatility to your living room. B-Line has released several versatile solutions for modular book racks. Designed by Stefan Bench, this extremely modular bookcase called Quby is made in polyethylene. The module is available in seven different colors and comes in different shapes and sizes. One of the versatile features of this bookcase is that you can combine and re-combine at will and put them on the floor or hung to the wall. Kids will love this because of its funky look and colors.