In this question-and-answer adventure, kids can dig deep to discover all there is to know about the hidden gems of our own planet. What's the difference between a rock and a mineral? What makes a gemstone a gemstone? Which minerals might they encounter every day without even knowing it? Unearth these answers within these pages! Packed with fun facts. Jokes and puns sprinkled throughout. Quirky, colorful, and educational! Question-and-answer format breaks down information into manageable chunks. Informal, kid-friendly language is breezy and fun. Ages 7 and up. Sturdy hardcover binding. Book measures 6'' wide x 9'' high. 48 pages.