Dig deep to discover the story of our planet - through its rocks and minerals! Use your reading superpowers to learn all about different rocks and minerals - a high-quality, fun, nonfiction reader - carefully leveled to help children progress. Rocks and Minerals is a beautifully designed reader all about Earth's geology - the different kinds of rocks and minerals, their properties and uses, and how to protect our natural resources. The engaging text has been carefully leveled using Lexiles so that children are set up to succeed.