Aleister Crowley (1875-1947) was an occultist, ceremonial magician, philosopher and mountaineer. As well as being a prolific writer, he interpreted a new tarot deck called the Thoth. He also founded the religion of Thelema, based on the teaching: Do what thou wilt shall be the whole of the law.
Dr Stephen Skinner is an expert in 15th and 16th-century manuscripts, having edited Dr John Dee’s Spiritual Diaries. He has written more than 40 books on Western esoteric traditions, as well as academic studies of medieval grimoires and Graeco-Egyptian papyri. He has published many works by Aleister Crowley and has unparalleled knowledge and insight into Crowley, Thelema and practical magick.