Stephen Hawking explains the secrets of the universe. A thrilling adventure journey through time and space. When George meets the scientist Eric and his daughter Annie, he can hardly contain his amazement: the two own a superintelligent computer named Cosmos, which has the ability to open the door to the universe! With Cosmos' help, Eric, Annie, and George travel through space, ride on comets, orbit Saturn, and observe a black hole—until the unscrupulous scientist Reeper catches wind of their secret and Cosmos' capabilities. A spectacular adventure in the universe and a book that transports readers into the exciting world of astronomy. What sunspots are or why Saturn has rings—George's space journey thrillingly conveys fascinating astronomical knowledge. Supplementary factual information and breathtaking photo sequences enhance the experience.