These award-winning science writers answer such puzzlers as: What is the theory of continental drift? What are polarity reversals? They deliver captivating reading and easy understanding of the complexities that shaped our planet, as they answer nearly 1,000 of the most often asked questions. Tracing the formation of the universe and the planet, investigating the layers of the Earth, and explaining the formation of mountains and bodies of water are just some of the chapters. Questions and answers are also devoted to volcanoes, fault lines, caves, fossil fuels, world morphological features, and even the geology of other planets. Entertaining and informative, "Handy Geology" combines vivid, clear writing with a great format.