Publisher's Synopsis
"Much of the earth's crust is made up of rocks. Through this guide, readers will gain an early appreciation of the different types of rocks that make up the earth. They will learn how igneous, sedimentary, and metamorphic rocks are formed, where they are found, and what they look like. Most importantly, readers will learn why there are different types of rocks. In addition to in-depth information on rocks, readers will see examples of the different types of rocks through full-color photographs"--.
