Describes the geologic conditions that lead to the formation of both sea caves and underground caves and presents unusual rock formations and animal life found in caves.

Examines the world's deserts and discusses what creates a desert, desert animals, annual rainfall, what an oasis is, and how people live and survive in the desert.

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.

Provides a definition of a coast, looks at some of the different landforms, plants, animals, and other natural features of coasts, and discusses the dangers posed to coasts by pollution.

Presents an introduction to islands, explaining what they are, looking at different types of islands, discussing island wildlife, fishing, and farming, and examining ways to enjoy and protect islands.

A simple introduction to plains.