From space, the earth looks like a beautiful ball of white clouds, blue oceans, and earth–toned bodies of land. But on the inside, the earth looks very different. Have you ever wondered what’s inside the earth? What exists beneath your feet? Let’s travel to the center of the earth to discover stone caves, geysers, volcanoes, and other magical phenomena. In this second book in the Wow! series, you’ll travel to the mysterious core of our planet. For explorers ages 6 years and up. Wow! This series is full of inspiring animals, plants, and phenomena that are so spectacular that you’ll be left in awe.