Everybody in-line skates, right? Well, not everyone can do what these wild athletes can! In-line skating has quickly grown from being a summer practice for ice-hockey players into a full-fledged sport. Inspired by the aggressive tricks of skateboarding, in-line skaters perform incredible feats on ramps, in races, and on the streets! Extreme Sports: In-line Skating! gives kids an insight into * thrilling downhill racing * vertical or ramp skating * tips on buying the right in-line skates * the history of the sport.