There are many different kinds of caves found all around the world. Many are millions of years old! Students will explore the many different kinds of caves, their unique features, and the difference between stalactites and stalagmites.

Introduces the physical characteristics and geographic locations of forests, with simple text and colorful photographs.

"Simple text and supportive images introduce beginning readers to the physical characteristics and geographic locations of mountains"--Provided by publisher.

Introduces the physical characteristics of rivers with simple text and colorful photographs.

Glaciers are huge, moving sheets of ice and snow. The fastest glaciers still only move about 100 feet a day. This book explains how glaciers form, how they move, and how a moving glacier shapes the land.

The United States was once abundant with prairies. Some have been converted to farmland, but other prairies still thrive. Students will learn how a prairie changes through the seasons, what animals live on prairies, and how people are working to restore prairie land.

"Simple text and supportive images introduce beginning readers to the physical characteristics and geographic locations of rain forests"--Provided by publisher.

Coral reefs are found in tropical waters and host a variety of ocean life. Young readers will learn about how they form over time, the different ways they form, and the creatures that call coral reefs home.

A pond is any body of water that is shallow enough for sunlight to reach the bottom. Kids will learn how ponds are formed, what wildlife they support, and how they differ from lakes in this general introduction.

A tundra is an area of land with low temperatures and short growing seasons. Although there are very few trees, tundras boast a wide variety of animal life in addition to lakes, bogs, and marshes. Readers will find out more in this basic introduction to one of the coldest habitats on the planet.