It's hard to imagine there's a more extreme sport than skydiving. Jumping from a plane at 13,000 feet (3,962 m) or higher seems crazy to some, but those who try it are often hooked for life. Readers of this book step off the plane and into the high-flying world of skydiving, including tandem skydiving, accelerated free fall, BASE jumping, and competitive skydiving. The history and hazards of the sport are also considered, with midair photographs adding...