This book takes you on a fascinating journey deep inside the Earth. From the rocky, moving plates that make up the surface, to the core hotter than the Sun, lift the flaps to discover what explodes out of volcanoes, how nearly everything we use each day comes from under the ground, how digging down can take you back in time, and even where the water we drink comes from. Chapters in this book include:- Let's go on a journey... - Moving earth- Digging up the earth- Deep dark caves- Back in time- Underground water- The core- How deep?- People used to think...