Steve Parker

Brief text and photos introduce the animal inhabitants of the seashore, including fish, crustaceans, snails, and shorebirds.

Describes the digestive process and answers such questions as "How much saliva does your mouth make?" and "Why does your stomach contain strong acid?"

Looks at how the human brain works, including memory and learning as well as brain and nerve diseases.

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.

A photo essay about the range of plants and animals found in fresh water throughout the year, examining the living conditions and survival mechanisms of creatures dwelling at the edge of the water, on its surface, or under the mud.

Describes the world's oceans and seas, including their physical processes, their varied life forms, the effects that humans are having upon them, and the threats that the future may hold.