In over four and a half billion years of existence, Planet Earth has gone from a hostile, sterile lump of hot rock to a temperate oasis teeming with life. How the World Works: Planet Earth is a fascinating synthesis of this transformation, exploring the landforms, plants and animals that make up its unique environment.Brought to life by full-colour photography, this comprehensive guide includes useful textboxes, diagrams and profiles of key scientists.Topics include:• The Earth's atmosphere• The formation of mountains• Plate tectonics• Extinction of the dinosaurs• Climate changeA perfect read for anyone wanting to learn the science behind of our extraordinary planet.