100 inventions that made history

Blurb

"100 Inventions That Made History is packed full of behind-the-scenes accounts of how the world's greatest gadgets and gizmos came into being. Where would we be without the wheel? Who turned on the electric light bulb? When did the earliest airplane take flight? From the everyday essentials we take for granted to fabulous firsts such as the car and the television, this roll call of history's most world-changing inventions is guaranteed to amaze and inspire"--Back cover.