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Explains the concept of a food chain and how plants, animals, and humans are ecologically linked.

Describes our planet earth as a spaceship that has everything we need to survive and explains how the planet keeps producing what we need.

Through clear, easy-to-understand language and beautiful photographs, the author gives readers a fascinating look at some of the earth's habitats and the remarkable way animals live in them.

Through a true-or-false format, presents statements about the history, uses, and behavior of horses and discusses them.

An introduction to one of the curiosities of the sea--the multi-tentacled, highly intelligent octopus.

An account of how and why Mount St. Helens erupted in May 1980 and the destruction it caused, and a discussion of the return of life to that area.

Explains how light operates in the world around us and how the human eye sees things.

Discusses the importance of trees as sources of food, oxygen, and other essential things.

Discusses all of the latest scientific thinking about dinosaurs, with illustrations keyed to major topics.

Tells how hurricanes form, how scientists study them, and how they have affected the United States throughout this century.

Explores the planets of our solar system, highlighting the prominent features of each. Includes new photographs and information gathered by the Voyager and Magellan explorations.

Discusses how fossilized remains of plants and animals reveal the characteristics of the prehistoric world.

Discusses the truth behind such beliefs as "Cats can see in total darkness," "Cats have nine lives," and "A cat signals its feelings with its tail."

Describes changes in eating customs throughout the centuries and the origins of table manners.

Describes the 1994 discovery made in Chauvet, France, of a cave with Stone Age rock paintings, and discusses the significance of cave art to people living in prehistoric as well as modern times.

Describes people's feelings about bathing and methods of keeping clean throughout history, from the Stone Age to modern times.

Explains various changes in humanity's beliefs about the shape of the earth, from the flat earth theories of the ancients to the round earth theories which were proven true by the voyages of Columbus and Magellan.

Text and photographs taken from space depict the nature, evolution, and future of Earth.

Discusses the truth behind such beliefs as the ancient Egyptians had cats but not dogs, dogs howl more than wolves, and more.