Did you ever find an interesting rock and wonder what type of rock it is, and how it came to be formed? Western North America is rich in rocks and minerals, and in this new book the most common ones are described and illustrated in full color. This clear visual guide will help you identify the rocks and minerals you see throughout the west, and with its straightforward language, fascinating details and crisp, vibrant photographs, you will look at rocks and minerals in a whole new light!