national geographic society

Learn all about the origins and ways to classify rocks, minerals, and gems, including the shiniest, most useful, and most dangerous rocks and minerals on the planet.

Find out everything you’ve ever wanted to know about the rocks and minerals under our feet and deep in the Earth’s crust. Budding geologists will love reading about how rocks form, the names of the coolest rocks and minerals, and rare and beautiful gemstones. Packed with weird-but-true facts and tons of cool info, this Level 3 reader explores the incredible world of geology.

National Geographic Fact Readers feature the same expert-vetted running text as traditional readers--with a bonus 100 fun facts sprinkled throughout! A fact roundup at the end of each book lets kids review what they’ve learned. (Plus, they can impress their friends with their rocks and minerals expertise!)

EMMA CARLSON BERNE writes juvenile, middle grade and YA fiction, and nonfiction for both educational and trade publishers. She has worked on projects with Disney/Lucasfilm Press, American Girl Publishing, Simon & Schuster, Scholastic, Sterling Publishing, Capstone, Rosen, and Alloy Entertainment, among others. Berne lives in Cincinnati, Ohio, where she is the writer-in-residence for the Public Library of Cincinnati and Hamilton County.