Kids will gravitate to Steve Tomecek's humorously illustrated guide, which surveys the earth's astounding variety of rocks and minerals and the fascinating ways people have transformed them into usable materials. From talcum powder to silver jewelry, it all comes from inside this great big rock we live on. A high-interest topic for youngsters as well as an important segment of the elementary science curriculum, this book is in a kid-pleasing format and includes a bonus activity.National Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information.