This high-powered series gives readers a glimpse into the thrilling world of extreme sports. Each book's four easy-to-read chapters walk readers through the sport's history and the events and styles athletes compete in today. Plus, a Superstar feature highlights one of the top competitors. Features include a table of contents, an infographic, Making Connections questions, a glossary, an index, and QR codes that link to book-specific online resources. Aligned to Common Core Standards and correlated to state standards. DiscoverRoo is an imprint of Pop!, a division of ABDO.