Planet Earth

Learn all about rocks, rivers, oceans, plants, forests, and more. Every page is packed with jaw-dropping numerical facts and stats that will have you memorizing them in no time. You’ll get the figures behind rising sea levels, the gradual growth of mountains, wild weather, and much more. Did you know that 2,000 new plant species are discovered every year? Or that the charge carried by a bolt of lightning is hotter than the surface of the Sun, at 30,000 C (54,000 F)? As you number-crunch your way around the world, you’ll discover a range of amazing facts – from corals and crystals to the immensity of oceans, rivers, volcanoes and forests.