Likely the most physically difficult motorcycle sport, motocross challenges its riders with rough terrain and high-speed competition. With events taking place on courses 1 to 3 miles long, motocross riders need to have endurance as well as the fearlessness characteristic of daredevil athletes. Readers enter the fast-paced world of motocross through accessible language and exciting information that will appeal to even reluctant readers. A colorful layout and photographs showcase on-course action, while the main content introduces the rules of the sport as well as safety. Full of high-octane fact boxes, this volume is a ride readers can enjoy without a helmet.