Introduces the world's longest river, describing its origin, tributaries, animal life, and the different countries through which it flows.

Describes the ecology of the rain forest; and the daily life, dwellings, and food habits of tribes living in the region.

Discusses the reasons why people live near rivers and how they affect their lives.

An introduction to life in the Great Plains and prairie areas of the United States.

Introduces how lines of latitude and longitude are used on maps and globes, and includes an explanation of the equator, prime meridian, and more.

Introduces the savannah environment and some of the people and animals that dwell in savannahs.

Introduces how to read and use a map key, and provides instructions on how to create a map of one's own bedroom and a key to its symbols.

Introduces different types of maps and how they are used, including those that show how to get to a place and those that show what you will find when you arrive.

An introduction to the Appalachian Mountains, which run through eighteen states.