On the Halfpipe With Tony Hawk Author:Matt Christopher 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 p... more »roviding 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.« less