Do what thou wilt shall be the whole of the Law. Nearly seventy years after his death Aleister Crowley, the notorious Beast 666, is only just beginning to attract serious academic attention. Even so we would not expect to find him on any mainstream university courses; he is still too much associated with occultism. So, this is not your standard beginners guide. Let my servants be few & secret: they shall rule the many & the known. Readers may be surprised at the richness and complexity of his thought, as well as the extent of his influence. He needs background to be understood. Giving this opens fresh perspectives on much recent intellectual history. The guide presents his main ideas in a straightforward and accessible format, with drawings and diagrams to place them in their historical context. It relates him to contemporary movements in art and scholarship. It describes his relationship to modernism and postmodernism, and his role in the counterculture of the sixties, as well as his continuing influence today. Interspersed are entertaining stories of his life and reputation. Brilliantly illustrated by John Higgins, this is a highly accessible guide to this fascinating, complex and controversial figure. It neither promotes nor condemns him, presenting hostile as well as favourable views of his character and achievement.