Download or read book Extreme Earth written by Anna Claybourne and published by Gareth Stevens Publishing LLLP. This book was released on 2014-08-01 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Towering Mount Everest is famous for its height, but the lowest point on Earth, Challenger Deep, is deeper than Everest is high. The Cave of Crystals in Mexico contains formations of gypsum that look like giant swords. Not only does Earth contain some extreme land formations such as these, but it's constantly changing. The world's largest desert, the Sahara, was once a swamp, and volcanoes are still building islands. These facts and many more, as well as quizzes, diagrams, and fun information boxes, create a book that will make readers truly appreciate Earth's awesome natural history.