Explains how helicopters fly, discusses the training required for pilots, describes how people commonly use these vehicles, and offers information on the history of helicopters.

An illustrated introduction to the body's circulatory system, describing the main parts and what they do, and providing tips on nutrition and fitness.

Explains what snowmobiles are, looks at their various parts, and describes how snowmobiles move and compete in "snocross" races.

A quick-paced, colorful description of the physical characteristics, purposes, early history, and high-speed capabilities of Indy cars--some of the fastest race cars in the world.

Explains what dragsters are, looks at different types and their parts, describes race tracks, and profiles famous racers.

Simple text and photographs describe the physical characteristics, purposes, and history of jet planes.