Loren McIntyre is an accomplished photographer and old Amazonian hand but in his enthusiasm for photographing an 'uncontacted' tribe allows himself to be led into the jungle without laying a trail. Lost, he is now wholly dependent on their continued friendly disposition towards him. To add to this complexity, none of the tribe, at this point, has anyone who speaks either Portuguese or Spanish. He is adrift in a wholly impenetrable linguistic space except for body language and the 'beaming'. The beaming is McIntyre's terminology for his communication with one of the tribe's headmen, a form of telepathy, where McIntyre finds in his head words emerging in English that he feels comes from the headman, and which the headman's subsequent behavior confirms. McIntyre is conscious that this makes him sound deranged (from the perspective of our current materialist assumptions) yet it is a conviction that never leaves him - and the existence of this ''ancient...