The Secret Rituals of the O.T.O. Edited and introduced by .

London, The C.W. Daniel Company, 1973 (first edition). Octavo, 240 pages with a few diagrams plus a frontispiece portrait. Papered boards lightly rubbed at the extremities; personal bookplate on the front pastedown (with a later owner's name in DYMO tape over the original name); small paper label of Helios Book Service Ltd. on the front free endpaper; overall, an excellent copy with the near-fine unclipped dustwrapper (with publisher's advertisements printed on the underside). 'Now, at last, this volume makes available to the occult student not only the symbolic-masonic riches of the initiate on rituals of the [Ordo Templi Orientis] but the secret magical instructions of the Order's seventh, eighth and ninth degrees, the full details of the techniques from which such occultists as Theodor Reuss and Aleister Crowley derived their mystic powers' (dustwrapper blurb).