History and Invention - Tapa dura

History and Invention traces the historical development and diverse applications of three key technological innovations -- the clock, the wheel, and the light bulb -- and explores their impact on the course of human history.Laid out in easily accessible, two-page spreads and enhanced by scores of full-color photos, drawings, and maps, each volume supplies clear and vividly illustrated answers to the questions young people have about the technology they use every day.