From amethysts and tanzanite to the sparkling geodes and erupting volcanoes, get the latest geological insights and intel straight from the field from National Geographic explorer and geophysicist Dr. Sarah Stamps. Ready to go on a rocking great adventure? Travel across the globe to find out how the Earth formed so YOU can become an absolute expert. Get up close to the layers of rock beneath the Earth's surface. Learn about igneous, sedimentary, and metamorphic rock cycles. Dig into sparkling crystals, quartz, diamonds, and other glorious gems. On the hunt for incredible rocks and minerals, you'll mine the depths of our planet and venture into the Earth's core. Geology comes alive in this cool book, filled with special features, sidebars, wacky trivia, and more.