219 pages
English language
Published Jan. 13, 1962 by Thelema Pub. Co..
the book of wisdom or folly, in the form of an epistle of 666, the Great Wild Beast, to his son 777, being the Equinox volume III no. VI
Written in New York City at the end of the First World War, this has been described by Crowley as an extended and elaborate commentary on The Book of the law, in the form of a letter from the Master Therion to his magical son.