"In 1961, young anthropologist Carlos Castaneda began an extraordinary apprenticeship with don Juan Matus, a powerful and mysterious Yaqui Indian spiritual leader. Don Juan's message became the basis for Castaneda's classic bestselling accounts of his explorations into ancient Mexican spiritual philosophy, which captivated millions of readers. In 1968, Castaneda returned to Mexico, to don Juan and his hallucinogenic drugs, and to a world of experience...