Book excerpt: If the greatest stars and biggest fans of Supercross put together a scrapbook, it couldn’t be any better than this close-up, action-packed celebration of one of the most popular motorsports in America. The greatest moments in Supercross come to vibrant life in essays, photos, and behind-the-scenes glimpses from the sport’s current pros and past champs --all framed by the matchless lens of acclaimed motorsport photographer Simon Cudby. From profiles of the hottest names in the sport to insightful takes about the changes in the sport from up and coming young guns, it’s all here in the stirring words and images of the biggest names in Supercross.