Learn all about tractors, from machines that lift, load, pull and push to the latest combine harvesters. Zoom in, see them up close and discover what makes them work. Then try the quiz to see how much you've learned!
Kids love machines that fly! This amazing book explains the basics of how planes and helicopters work. Topics include engines, wings, propellers, fuel, and flying safety. A quiz at the end tests the reader's knowledge.
From wagons and steamboats to hybrid cars and ferries, all modes of transportation have changed significantly over time. Historical photographs and accessible text combine to help young readers compare and contrast transportation from past to present.