Not even geniuses always get it right ... An "entertaining" look at the failures of great inventors ( Booklist ). To achieve great things, you have to be willing to take risks -- and as Edison's Concrete Piano reveals, some of the most famous names in history experienced plenty of flops and face-plants in the course of their careers. Thomas Edison, for example, not only revolutionized the world with the light bulb, but also designed a concrete piano,...