In the tradition of Jane Goodall and Dian Fossey, Robert Sapolsky, a foremost science writer and recipient of a MacArthur Genius Grant, tells the mesmerizing story of his twenty-one years in remote Kenya with a troop of savanna baboons. "I had never planned to become a savanna baboon when I grew up; instead, I had always assumed I would become a mountain gorilla," writes Robert Sapolsky in this witty and riveting chronicle of a scientist's...