Includes bibliographical references (p. 31) and index.

With jaw-dropping jumps and tight turns, a motocross course can look nearly impossible to get through. But for these steel-nerved riders, its all in a days work. Find out how the sport that shaped the modern dirt bike still keeps fans on their feet after almost 100 years.

"Describes motocross, including rules, course details, and stars of the sport"--Provided by publisher.