For anyone, riding a bike can be a great way to get some exercise and fresh air. But some riders want a thrilling, pulse-pumping ride, whether it's through the woods and over the rocks on a mountain bike or navigating track-based obstacles in bicycle motocross, or BMX. This book captures the excitement and rush of extreme biking, from its California origins to today's X Games and Olympics. Readers will explore some of the biggest names in extreme...