Presents general information about rocks, minerals, and gems, covering how they form, some different types, extraterrestrial rocks, and the unusual characteristics of some rocks.
Presents a full-color field guide to rocks, minerals, and gems, with information about identification, how they form, some different types, unusual characteristics, and more.
An introduction to minerals, explaining what they are, how they form, different types, how they are used, and other related topics, with instructions for an activity.
A guide to the rocks and minerals of North America, covering fossils, and gems & landforms, with photographs, illustrations and diagrams, and key facts.