book Tractors and Agricultural Machinery

'"Look, a tractor!" Parents hear this again and again when they go on an outing with their children. Tractors and agricultural machinery are useful and at the same time exciting vehicles that have a great fascination for children.
But how does a tractor work? And what are agricultural machines used for? In this richly illustrated book, children learn everything they want to know about these vehicles. Many interesting topics relating to tractors are explained in an easy-to-understand way. With a large, colorful tractor poster. 48 pages hardcover."