Collects one hundred facts about whales and dolphins, describing their diet, physical characteristics, behaviors and abilities, and other related topics. Includes illustrations, cartoons, quizzes, and activities.
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.
Presents an introduction to fish, in simple text with illustrations, describing the physical characteristics, habitat, and life cycle of a variety of aquatic life, including sharks, eels, catfish, coral reef, and more.
Photographs, illustrations and text teach children about the different types of rocks and minerals and how they are made, with simple experiments to help readers learn more about certain types of rocks and the processes that make them.
Explains how the heart and circulatory system work and examines how high blood pressure and a high fat diet can contribute to heart disease. Also discusses ways of improving health with proper diet and exercise.
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.
