Those seriously interested in learning about the Order of Nine Angles (ONA, O9A) – either academically or because of a personal interest in the Occult – only need three works, all of which are available as free e-texts in pdf format.
1. The Complete Guide To The Order Of Nine Angles. Seventh Edition, 2015, 1460 pages. 55 Mb A complete practical and theoretical guide to the O9A’s Seven Fold Way from Initiate to Adept and beyond, containing embedded facsimiles of standard O9A texts from the 1970s on, including Naos, The Black Book of Satan, The Deofel Quartet, The Sinister Abyssal Nexion, The Culling Texts, and a glossary of ONA terms. Available, as of June 2016, here: https://omega9alpha.wordpress.com/complete-o9a-guide/
2. The Hermetic Order Of Nine Angles. 2016. 159 pages. 33 Mb A collection of O9A texts most of which were issued since the publication, in 2015, of the seventh edition of The Complete Guide To The O9A and which collection compliments that guide. As the title indicates, this collection is primarily concerned with the esoteric and ancient hermeticism that underlies the occult philosophy of the O9A. Available, as of June 2016, here: https://omega9alpha.wordpress.com/2016/03/30/the-esoteric-hermeticism-of-the-order-of-nine-angles/
3. Disguising And Distinguishing The O9A. 2016. pdf: 12 pages. Three short essays introducing the O9A and topics such as the O9A’s Labyrinthos Mythologicus.