The Conceal Book Shelf from Umbra is like nothing you have ever seen before! This book shelf, which holds up to 15 pounds of books, screws directly into a wall stud and presto – you have an invisible book shelf! The maximum stack height is 16-Inches. All hardware is included so all you need is a screwdriver. The Conceal Book Shelf, which has already won design awards, is innovative, inspirational and imaginative.