Everything you want to know, see and find out about Earth. A visually amazing encyclopedia all about Earth. Crammed full of incredible stuff to dip into, from magnificent meteorites to cool caves, crystals and coral reefs, all revealed in a fascinating, exciting, totally different way, it's like a museum, a search engine and the world's most exciting geography field trip rolled into one. Loads of Earth-related topics, hundreds of pictures, thousands of words and squillions of amazing things to discover and explore. So find it. See it. Know it.