Rocks : Hard, Soft, Smooth, and Rough

Enjoyed by readers of age: 9 to 5

Read the most by: boys and girls

The rocks you see everyday can be grouped into different types, like igneous, sedimentary, or metamorphic. Some rocks are actually minerals, and you can even find fossils in some types of rocks. Complete with activities and experiments, this nonfiction science book is perfect for introducing children to geology.