Invention

The most trusted nonfiction series on the market, "Eyewitness Books" provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures. A fascinating look at the world's earliest simple machines -- wheels, gears, pulleys, and levers -- to today's complicated t [...]
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The most trusted nonfiction series on the market, "Eyewitness Books" provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures. A fascinating look at the world's earliest simple machines -- wheels, gears, pulleys, and levers -- to today's complicated telephones and plastics, "Eyewitness: Invention" presents the stories behind amazing inventions and how they changed the world.