Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the North American Sonoran Desert.

Documents the contributions of specially trained military dogs, profiling noteworthy canine heroes while covering such topics as how they are trained and what happens to them when they retire.

Learn about beavers and the many different kinds of animals that depend upon them for survival.

Looks at horses and their history with human beings, examining how they have been used in hunting, warfare, performance, competition, ceremony, and celebration, with illustrations that showcase how people decorate them.

Describes the annual autumn gathering of bald eagles in Glacier National Park and examines the work of the wildlife research project that bands the birds for later tracking that will provide information on the habits and life cycle of our national bird.

Celebrates the bond between humans and their canine companions, discussing scientific insights that demonstrate how sharing one's life with a dog reduces stress, provides companionship, and increases safety.

Describes the life cycle of an apple tree and how different varieties of apples are grown and harvested.

Explains how different types of foods provide nutrients for the body.