Almost fifty years after he was first introduced to Yaqui Indian shaman don Juan Matus in Mexico, Carlos Castaneda's body of work remains one of the most provocative explorations of ancient spiritual philosophy of our time. Hailed by the "Los Angeles Times" as "one of the godfathers of the new age movement," Castaneda has more than seven million copies of his books in print around the world. Now in its 40th anniversary edition, his classic first book, "The Teachings of Don Juan", is the start of