The most trusted nonfiction series on the market， Eyewitness Books provide an in-depth， comprehensive look at their subjects with a unique integration of words and pictures. How are earthquakes recorded? How was the Grand Canyon formed? How much of the Earth's surface is covered by water? Where do icebergs originate? With full-color photography and 3-D models of geological equipment， rocks， and minerals， Eyewitness： Earth is the perfect guide for gaining a better understanding of the secrets of life on our planet and how animals， plants， and the environment coexist.，The world's most trusted nonfiction series is now available with a CD of clip art and wall chart included with the hardcover edition which compliments these fact-filled titles that are loaded with spectacular photographs and illustrations.，Examines the natural forces that shape our planet， covering such topics as climate， the oceans， plate tectonics， earthquakes， volcanoes， mountains， and glaciers.