Books in Wow: Big Machines series

Whether they're being used to plow fields or push dirt and snow, tractors are important machines. Get the basics on these useful machines inside.

Illustrations and simple text shows how a tugboat helps to rescue another boat loaded with fishes.

Learn about how these cool spinning, swooshing machines carry concrete from job to job.

Tots Will Enjoy Learning What Might Be Inside Some Of The Trucks They See Motoring By.

Presents facts about dump trucks, their working parts, what they are used for, and why they are important

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From hoisting construction materials to swinging wrecking balls, cranes are very important. Get the basics on these cool machines in this interesting book.

Trains are used to carry everything from cargo and animals to people. But how do trains move? Who drives them? Learn more about these important machines inside.

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