On the Halfpipe with...Tony Hawk

Tony Hawk is a skateboarding sensation.At he 1999 ESPN X Games, he astonished viewers by performing a 900, a trick thought impossible to do.But astonishing people was nothing new for Hawk.Since taking up skateboarding at age nine, he's almost single-handedly revolutionize the sport.Whether dominating vert competitions, inventing new tricks, or providing a positive role model for young skaters, Hawk's sheer athleticism and dedication have helped change the way skateboarding is viewed by the general public.

Matt Christopher is the best selling name behind more than 100 sports-themed books for young readers.