Discusses the history of motocross motorcycle racing, modern-day competition, and a typical race.

Traces the history of air-speed records from Santos Dumont's first official record in 1906 to the records broken by modern-day, supersonic aircraft.

Discusses the history, design, construction, and testing of amateur-built airplanes.

Explains how to choose a car for restoration, and how to dismantle, reassemble, and show the automobile. Includes a section on restoration as a career.

Describes sport diving using SCUBA equipment and discusses basic techniques, safety tips, and good dive sites.

A survey of bicycle track racing with information about equipment, tracks, training, types of racing events, and racing organizations.

Discusses stunt flying, including a history of the sport, pilots, and their specially designed airplanes.

A guide to the equipment, skills, and safety precautions required for rafting, canoeing, and kayaking. Also includes a glossary of pertinent terms and the international scale of river difficulty.