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author of The Secret Wisdom of the Earth
Pub Date: May 18
nature's kaleidoscopes with wings
livestock guardian dogs and barn cats
The First Book of Machines by Walter Buehr (Living Book Press) Binding:Paperback author of The Secret WisdomHow do cranes lift heavy loads? What makes a car move? Walter Buehr's The First Book of Machines introduces children to the fascinating mechanics behind everyday tools and vehicles. The book explores the six simple machines the inclined plane, wedge, lever, wheel and axle, screw, and pulley and demonstrates how they combine to create complex machinery. Through detailed illustrations and straightforward explanations, young readers discover how machines
