Describes what happens to the human body while running a race and provides tips for technique in such areas as warming up, breathing, and recovering from the race.
Photographs, text, and exercises help show children how the body works; includes information on the senses, bones, major organs, teeth, nerves, hormones, and other related topics.
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.
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.