Gnosis Volume I: Study and Commentaries on the Esoteric Tradition of Eastern OrthodoxyBoris Mouravieff was an enigmatic 'third man', known to Gurdjieff and Ouspensky, who found and learned to practice what he clearly believed to be the complete system of which only 'fragments' had been previously published in Ouspensky's In Search of the Miraculous. On this basis, he formed the 'Center for Christian Esoteric Studies' in Geneva now closed. Many of his discoveries are described in his book Gnosis, which contains in its three volumes the