Here is the inside story of the Hermetic Order of the Golden Dawn, told in its entirety for the first time. Francis King describes the conflict between W. B. Yeats and Aleister Crowley, the often difficult relationship between Yeats and Kabbalist MacGregor Mathers, and Rudolph Steiner's attempt to take over English occultism.With consummate scholarship, King has created a definitive modern history of the Western esoteric tradition.