With tons of photos and fun facts, this book is perfect for aspiring geologists. Learn all about rocks and gems, then use the six rock and gem samples to get your collection started! 2021 NAPPA award winner Discover some of the world's most amazing rocks and gems in this detailed reference book with stunning photos, interesting facts, and more. Learn all about how various rocks and gems are formed and their uses, and then use the six rock and gem samples to get your collection started. Features a slide-out tray printed with rock names and a poster for young collectors to categorize their finds. From sparkling gemstones to molten lava, this introduction to the world of rocks and gems is a must-have for any future geologist.