George's Secret Key to the Universe

George's Secret Key to the Universe is a 2007 children's book written by Stephen and Lucy Hawking. Its main characters are George, Eric, Annie, Dr. G. Reeper (or Greeper), and Cosmos, the world's most powerful computer. Cosmos can draw windows allowing people to look into outer space, as well as doors which act as portals allowing travel into outer space. It is written like a story and aims t…