Presents a children's study of the mountains of the world and discusses mountain ranges, how mountains are formed, volcanoes, mining, recreational uses, and ways to protect mountain areas and the animals that live there.

Presents an introduction to forests, looks at different types of forests, discusses the uses of trees, and examines efforts to replant and protect the forests.

Presents an introduction to lakes, explaining what they are and how they form, discussing the various uses of lake water, and providing information about dams, lake activities, and protection efforts.

Explains how rivers flow, how they shape the earth, how they are used for trade and sport, and why they must be protected, introducing such terms as "mouth" and "delta.".