A remarkable firsthand view of a lost culture in all its simplicity and violence by renowned writer Peter Matthiessen (1927 to 2014), author of the National Book Award-winning The Snow Leopard and the novel In Paradise. In the Baliem Valley in central New Guinea live the Kurelu, a Stone Age tribe that survived into the twentieth century. Peter Matthiessen visited the Kurelu with the Harvard-Peabody Expedition in 1961 and wrote Under the Mountain Wall...