Here is a spectacular and informative guide to the lives of the great apes, monkeys, and other primates. Superb color photographs of gorillas, orangutans, macaques, baboons, lemurs and numerous other primate species offer a unique "eyewitness" look at some of the world's most intelligent animals. See a great silverback gorilla, the monkey with the biggest nose, multicolored marmosets, and a day in the life of a gorilla family. Learn about the knuckle walk, how a tail becomes a hand, why gorillas build nests, and how orangutans got their name. Discover why mountain gorillas are endangered, how chimpanzees communicate, which monkeys can run like cheetahs and much, much more.