This perfect first reference book brings key subjects such as science geography and history to life. Lavish 3D digital illustrations and an interactive questionandanswer format together create an engaging and accessible insight into a number of key topics.Why Encyclopedia focuses on the subjects children really want to know about. It covers all of the areas you would expect in a kids encyclopedia including space animals and the human body but presents each through questions kids ask such as Why does it rain. Answers are provided through a combination of eyecatching CGI artworks enhanced photographs and clear text explanations.This refreshed version of the first book in a hugely successful series over 640000 copies sold worldwide brings the latest updates in everchanging topics such as space exploration as well as a number of new pages on interesting topics including artificial intelligence climate change pandemics and gravity.