The Teachings of Don Juan: A Yaqui Way of Knowledge was published by the University of California Press in 1968 as a work of anthropology, though it is now widely considered a work of fiction. It was written by Carlos Castaneda and submitted as his master's thesis in anthropology. It purports to document events that took place during an apprenticeship with a self-proclaimed Yaqui Indian sorcerer, don Juan Matus from Sonora, Mexico, between 1960 and 1965.