Book: Liber 489 One Star In Sight by Aleister Crowley
Originally, this document had neither book number nor class. Both were applied later by some lineages of AA. See: Book Four, Appendix IIFree eBooks (Can Be Downloaded):
Aleister Crowley - Liber 157 The Tao Teh KingAleister Crowley - One Star In Sight
Aleister Crowley - Liber 489 One Star In Sight