Motocross - which involves competitors navigating their exotic motorcycles over tortuous terrain, including double- and triple-jumps, whoops, tabletops, hills, rocks, mud, dust and anything that Mother Nature can throw at them - is massively popular. In the USA alone, more than 1.2 million fans attended the AMA Supercross and National Motocross Championship Series in 2002. This volume provides a photo-driven essay that documents this explosive sport, its major personalities and the subculture that surrounds the pro circuit.