Steve Parker

Examines the anatomy of the ear, how the ear receives sounds and transfers them to the brain, how to protect our hearing, and current developments in hearing aids and surgery.

Photographs and text examine the world of mammals, depicting their development, feeding habits, courtship rituals, protective behavior, and physical adaptation to their various ways of life.

Discusses the properties of electricity and describes how it is made and used.

Uses the viewpoint of a frog to present life at a busy English pond, including the activities of other frogs, a toad, a newt, and a heron.

Illustrations and text present information about various types of aircraft: hot-air balloons, airships, gliders, helicopters, cargo planes, and airliners.