Royston, Angela

"Explores the rich food chains and webs that exist in a rain forest habitat, using examples from that habitat to explain the roles of producers, consumers and decomposers, and illustrates how living things depend upon each other"--Provided by publisher.

Examines climate change throughout the world, discussing global warming, unpredictable weather, melting icecaps, and more.

"Explores the food chains and webs that exist in river habitats, using examples from that habitat to explain the roles of producers, consumers and decomposers, and illustrates how living things depend upon each other"--Provided by publisher.

Discusses discoveries in medicine and the people who made them, covering the invention of the stethoscope, inoculation, anesthesia, germs, aspirin, and more.

Explains why the human body needs proteins to function healthily and what happens if people get too much or too little protein.

Examines the nutritional benefits of water and fiber and discusses how they help the digestive system function.

Photographs and facts provide information about polar bears, looking at where they live, what they eat, what they look like, and how they behave.

Simple text and photographs introduce animals found in the ocean including sea horses, turtles, star fish, and sharks.

Discusses the health benefits of running and other exercise, looks at what happens in the body when a person runs, and includes activities and a glossary.

Discusses the behavior, habitat, and natural enemies of mice.