In Fantasies of the Master Race ( 1992 ) , Churchill examines the portrayal of American Indians and the use of American Indian symbols in popular American culture . He focuses on such phenomena as Tony Hillerman 's mystery novels , the film Dances with Wolves , and the New Age movement , finding examples of cultural imperialism and exploitation . Churchill calls author Carlos Castaneda 's claims of revealing the teachings of a Yaqui Indian shaman , the " greatest hoax since Piltdown Man . "