This Book is in English; Hardcover Cloth Bound with Dust Jacket; The Ars Goetia was published in English in 1904 by Aleister Crowley as The Goetia. It is based on manuscripts from the British Museum, with additions by Crowley, including a Preliminary Invocation drawn from Goodwin's Fragment of a Graeco-Egyptian Work upon Magic, and the essay The Initiated Interpretation of Ceremonial Magic. It is not a faithful edition of the source manuscripts but contains several innovations, including some evocations in Enochian written by Crowley. In his introduction, Crowley argues that the work of demonic evocation is merely a form of psychological self-exploration.