Book: Liber 242 Aha by Aleister Crowley
An exposition in poetic language of several of the ways of attainment and the results obtained. In the form of a Discourse between and Adept and His Pupil. Equinox I iii, p. 9; and Aha!Also try this free pdf e-books:
Aleister Crowley - Liber 555 HadAleister Crowley - Liber 242 Aha