Book: Liber 031 by Aleister Crowley
"Being a part of the diary of Frater O.I.V.V.I.O. concerning the fool Parzival and how he discovered the mystery of the one that is not. Written down in the fourteenth year of this Aeon when the sun was in the sign of Libra by Frater Arctaeon.". See also: Equinox I i, p. 4; III x.Free eBooks (Can Be Downloaded):
Aleister Crowley - Liber 831 IodAleister Crowley - Liber 011 Nu
Frater Achad - Liber 31
Aleister Crowley - Liber 031