How is rock used? Read this book to learn all about rock. Books in this seriesintroduce children to the exciting world of materials. Each book uses simplerepeti... » 

How is rock used? Read this book to learn all about rock. Books in this seriesintroduce children to the exciting world of materials. Each book uses simplerepetitive text to teach basic vocabulary and includes stunning photographsthat illustrate the properties of each material. In Rock readers learn whererock can be found how rocks can look and the different ways rocks are used. «