"Provides basic information about poison dart frogs and keeping them as pets"--Provided by publisher.

Describes the various animals that live within the soil under our feet, including earthworms, roundworms, snails, mites, beetles, and ants.

"Gives an overview of different types of pollution, with interesting scientific and historical facts"--Provided by publisher.

Red wolf is one of North American animals listed as endangered or threatened-- at risk of dying out. This book presents the story of this species and the efforts of people in taking action to help save them.

Discusses the sources and uses of different types of energy, both natural and man-made, including electrical, magnetic, light, heat, sound, and nuclear energy.

Color illustrations and concise text describe the main parts of the digestive system, how the system works, problems that may affect it and recent treatments and cures for diseases.

Text and accompanying photographs describe the history, causes, prevention, and treatment of the common cold and flu, as well as the effects on people and society.

Explores the human nervous system and how it functions.

Describes the major muscle groups in the human body and explains how they control body functions and movements.