How the Wheel Changed History examines the ancient origins of the wheel and explores the many inventions—from the spinning wheel to the phonograph—made possible by the simple machine. Features include essential facts, a glossary, selected bibliography, websites, source notes, and an index, plus a timeline and maps, charts, and diagrams. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.