Far back upstream, so very far back in the jungles of the Amazon headwaters that not even an anthropologist has visited them, live the Indians of Peter Matthiessen's novel, At Play in the Fields of the Lord. Perhaps this little naked tribe is the last in the world untouched by civilization. In this story, they are touched and they fall, undone by the fascination their ultimate remoteness exerts on an assortment of Americans. The novel tells how this happens, how by airplane, outboard motor, by jungle trail, the Americans at last bring the first successful contact of the modern world to the savage Niaruna. At every stage of their various journeys, the Americans are tried to the extremes of danger by the piranha-infested rivers, by the filth and disease of jungle outposts, by the treacheries of the local satrap, their enmities for one another, by drink, drugs, madness...