The Blue Equinox, officially known as The Equinox: Volume III, Number I, is a book written by the English occultist Aleister Crowley, the founder of Thelema. First published in 1919, it details the principles and aims of the secret society O.T.O. and its ally the A∴A∴, both of which were under Crowley's control at the time. It includes such topics as The Law of Liberty, The Gnostic Mass, and Crowley's "Hymn to Pan."
1992 Samuel Weiser hardcover edition (limited to 1000 copies). Fair condition.