Includes index.

Many facts are known about the mountains and rivers that exist on Earth. Some of these facts, however, aren't quite as well known as others. You might be surprised to learn that scientists from Europe and America don't agree on the definition of a mountain. With the help of this engaging volume, readers will learn about many of the more surprising facts having to do with these landforms and bodies of water. Breathtaking photographs appeal to readers of many levels, while accessible and informative text guides readers in gaining a deeper knowledge of important Earth science concepts.