Research sleuthing on Indian origins in South America, in the links between the races of the two continents, both anthropologically and culturally. The field covered ranges from typical South American to the exceptions (the Guanas, Arawaks, those of the Amazon Basin, East Brazil, Peruvian, etc.) Rites, civilizations, myths, cycles, down to the modern remains of the tribes. He has tapped the source material of early travelers, making the historical picture colorful. For the layman interested in race history, a well-told tale, from head-shrinking Jivaros to equestrian Cancos.