Cars, Trains & Motorcycles outlines the basic scientific theory behind land transport, then tackles the key subjects of how wheels and suspension work, how land transport is built, how their engines work and how they are steered and controlled. The book contains plans for a fully working car model. Trucks, Tractors & Cranes outlines the basic science theory behind construction vehicles. Each chapter contains diagrams and cutaway artwork that reveals simply and clearly how everything from a truck to a huge crane works. The book contains instructions and plans for a fully working crane model.
Chris Oxlade worked as an engineer before turning to publishing. He is now a successful children's non-fiction author. Previous books for Watts include titles in the Step by Step Science series.