Do you want to know everything about volcanoes? In this book you will find the answers to all your questions. How do mountains and volcanoes form? How do they work? What is the difference between magma and lava? Are there volcanoes on Mars? And why are volcanoes so dangerous? In this book you will also find a funny comic strip, fun assignments, a large fold-out page and a mini quiz, so you can become a real expert.