Rocks and minerals are the building blocks of our world, but there’s a huge and fascinating variety of these materials, from the roundest gray pond rock to the most brilliant and sparkly diamond. Readers will learn about all manner of rocks and minerals, as well as their properties, types, and uses. Color photos and diagrams allow curious geologists in training to study rocks and minerals in detail, while hands-on activities and projects will encourage them think for themselves about important principles.