since 1976
n this ultimate kids' guide to crystals and precious gems, kids will find everything they need to know about how gemstones are formed and where they are found in the world. It's also filled with unusual facts about some of...
Targeted to rock-crazy kids, this bold book is more energetic, more visually exciting, and more fun than anything else on the market—and with more information, too! Youngsters become geology experts as they browse...