Subtitle from front cover

Includes index

"This exciting introduction to Earth is brimming with explosive volcanoes, incredible habitats, and world-saving ideas. From Earth's inner core to the thinnest air at the edge of the atmosphere, get ready for a round-the-world adventure... Dig down and learn exactly what is under our feet. Investigate the workings of earthquakes and volcanoes. Learn how mountains are made and how rivers form. Find out about wind, rain, and extreme weather on Earth's surface. Explore Earth's habitats, and meet the plants and animals that call them home. Finally, find out about how our planet is under threat, and what you can do to protect it. Packed with fun facts and colourful illustrations, My Very Important Earth Encyclopedia will feed your imagination and quench your thirst for knowledge"--Publisher's description