Describes what happens during an airplane flight, including the checking of bags, the serving of meals on board, the popping of ears, and the landing of the plane.

Describes, using simple terms, a trip into orbit aboard the space shuttle.

A brief introduction to motorbikes, both heavy and lightweight, for racing and for pleasure riding.

Describes a variety of racing cars and the kinds of races in which they are used.

Suggests projects for exploring the properties of light and how it can be refracted, reflected, and diffracted.

Describes the location and content of the asteroid belt, the formation and composition of asteroids, and the history of collisions between asteroids and the earth.

Describes the reasons for and instances of cannibalistic behavior in a variety of animals, including guppies, black widow spiders, sharks, gerbils, and brown bears.

Describes the physical characteristics, behavior, and habitats of some species of wild dogs: coyotes, foxes, and wolves.