Rice, William B

Describes the geography, climate, wildlife, plant life, and people of the African grasslands.

Describes the various roles each creature plays in keeping our world balanced.

Discusses the various landforms found on Earth, including mountains, valleys, and oceans.

An introduction to asteroids and comets that explains what they are, how they are formed, how they move through space, and what scientists can learn from them.

An introduction to asteroids and comets that explains what they are, how they are formed, how they move through space, and what scientists can learn from them.

Examines the planets of our solar system and the basic facts about each of the planets.

"The ground you're standing on, the air you breathe, and the clouds you gaze at. They are all part of your home. They are also nonliving things. Living things don't only rely on one another; they also need nonliving things to survive. Everything in an ecosystem plays an important role"--Provided by publisher.

Introduces habitats, including information about what makes up a habitat, what animals and plants live in different habitats and how they adapted.

"A habitat is a living thing's home. A habitat gives shelter to plants and animals. It also helps them survive. There are many different types of habitats on Earth"--Provided by publisher.

Explains how each ecosystem has different parts that are needed to stay in balance.