Deadly Rocks Boxed Book And Rocks Kit

Deadly Rocks Paperback Booklet And 9 Rock Specimens Boxed Kit By Kris Hirshmann Danger! Deadly Rocks Ahead You've learned all the science that there is to know about rocks. But did you know that they can kill, too? This book warns you of the dangers lurking in rocks. We've overturned every rock to bring you history's best tales of rocky deaths that include some of the rocks in your kit, including limestone that swallowed a house, obsidian that cuts like a knife, and the fatal food, halite! Read, learn, and beware of these innocent-looking lumps of Earth. Deadly rocks are everywhere!