“Why did the novelist H.P. Lovecraft claim to have invented the Necronomicon? The answer to this interesting question lies in two people: the poet and magician Aleister Crowley, and a Brooklyn milliner called Sonia Greene. There is no question that Crowley read Dee's translation of the Necronomicon in the Bodleian, probably while researching Dee's papers; too many passages in Crowley's ”Book of the Law“ read like a transcription of passages in that translation. Either that, or Crowley, who...