The Power of Silence is Castaneda's most astonishing book to date—a brilliant flash of knowledge that illuminates the far reaches of the human mind. Carlos Castaneda takes the reader into the very heart of sorcery, challenging both imagination and reason, shaking the very foundations of our belief inCarlos Castaneda's Don. Juan's Teachings. Introduction by Carlos Castaneda. The rest of the book The Power of Silence is Castaneda's most astonishing book to date—a brilliant flash of knowledge that illuminates the far reaches of the human mind.