Tractors - Mighty Machines Author:Amanda Doering Tourville Rumble! Rumble! Roar! Tractors are powerhouses of productivity. Find out what, where, and how tractors work. Detailed diagrams identify the main parts of the machine, while easy-to-read factual text explains this exciting equipment.
ISBN-13: 9781602706262 ISBN-10: 1602706263 Pages:32 Reading Level: All Ages Rating: