Written when landing on the moon was still a dream, 2001: A Space Odyssey is a science-fiction classic that has changed the way we look at the stars—and ourselves. On the moon, an enigma is uncovered. So great are the implications that, for the first time, men are sent deep into our solar system. But before they can reach their destination, things begin to go very wrong. From the savannas of Africa at the dawn of mankind to the rings of Saturn at...