The Equinox were a series of books compiles by Aleister Crowley.
They were published on a twice yearly basis to coincide with the Vernal and Automnal equinoxes.
In total there were ten issues which appeared betwen 1909 and 1913.
In 1919 the Blue Equinox was published.
ALEISTER CROWLEY, the history of Aleister Crowley
NEWAEON, term used by crowley to describe a cycle
EQUINOX, a series of books published by crowley
Paralumun New Age Village