Ages 6 to 12 years. Not so long ago, a surfboard in the sky was the stuff of comic book fantasy. Today, extreme athletes surf the air with ease. "Extreme Sky Sports" features such high-velocity sports as sky surfing and skydiving. Kids will get their hair blown back by brilliant aerial photos of sky surfers and divers in action, as clear concise text explores: the history and techniques of these young, thrilling sports; expert sky-surf tricks; stars and legends of the sport; the designs and function of the equipment; how to stay safe in these daring sports.