Rodents have teeth called incisors that never stop growing! They must grind their teeth or gnaw on things to keep the teeth from growing too long. Kids will be eager to "sink their teeth" into the intriguing facts in Guinea Pigs and other Rodents. This book explores many of their favorite kinds of rodents, including rats, mice, guinea pigs, beavers, and squirrels. Engaging text and vivid images help children understand • how rodents build different...

This book describes the physical characteristics, eating habits, behavior, and migration patterns of humpback whales, large marine mammals that are now an endangered species.

Discusses how various types of animals, including carnivores, herbivores, and even humans, find food and water. Includes full-color photographs and a discussion of food chains.

Discusses how water forms, how to keep it clean, and its importance to humans and the ecology. All life on Earth depends on the water cycle! The Water Cycle is a fascinating book that introduces children to this important cycle using a clear, step-by-step approach. Kids will learn about how different processes, including evaporation, condensation, precipitation, and run-off, work together to move water from the ground to the air and then back down...

Explores the United States and views many different aspects.

Oceans cover three-quarters of the planet. This fascinating book shows how the world's five oceans, Pacific, Atlantic, Indian, Southern, and Arctic, are interconnected and why they are vitally important to the rest of Earth.

Describes the country and culture of Canada.

Introduces space and space exploration, discussing the solar system, space ships, shuttles, space stations, and life in space.

Introduces plant life, specific types such as carnivorous and parasitic plants, and concepts such as single cells, germination, and photosynthesis.

This book looks at various kinds of dwellings, including arctic homes, homes on stilts, homes on boats, and desert homes.