Lying in the remote hills of southwest Uganda, Bwindi Impenetrable Forest harbors elephants, chimpanzees, monkeys, and half the world's population of endangered mountain gorillas. For two years, Thor Hanson called that forest home, working with local guides and trackers to develop an ecotourism program for the newly-formed Bwindi Impenetrable National Park. Thoroughly researched and beautifully told, Hanson's story blends natural history with cultural insight to place the forest and the gorillas in the context of modern Africa. The Impenetrable Forest offers a rare glimpse into the world of mountain gorillas, and the human cultures that surround them. A must-read for anyone interested in gorilla tracking, endangered species, or travel to Uganda.