Earth rocks!

Describes some of the properties and uses of igneous rocks.

Easy-to-understand text explains how sedimentary rocks are formed and used.

Describes the nature, growth, identification, and rating of minerals.

Describes how gems are made, where they are found, how they are polished and cut, and what uses they have.

An introduction to fossils: what they are, how they form, what different kinds there are, where they're found, and how scientists learn from them.