What is a rock? What is the difference between a rock and a mineral? Find the answers to these questions and more in this six-book series, geared for children, ages seven to ten. These books stimulate young readers' interests in the study of minerals and rocks. They offer basic vocabulary and an introduction to rock formation, coal, weathering, erosion, conservation, and much, much more. Each book is packed with brightly colored photographs and filled with information.

Check out Class activities for fun ways to use this book at www.nancykellyallen.com.