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Tertium Organum: The Third Canon of Thought — A Key to the Enigmas of the World by P. D. Ouspensky.
Second American Edition, Authorized and Revised, published in 1925 by Alfred A. Knopf, New York. Translated from the Russian by Nicholas Bessaraboff and Claude Bragdon, with an introduction by Claude Bragdon.
An early American edition of Ouspensky’s influential philosophical and metaphysical work exploring higher dimensions, space and time, consciousness, mysticism, occultism, mathematics, and the nature of reality.
Edition details: The title page specifically states “SECOND AMERICAN EDITION, AUTHORIZED AND REVISED” and gives the publication date in Roman numerals as MCMXXV (1925).
Condition: Vintage/antique hardcover showing significant age and use. Black cloth boards with striking red lettering/design to the front cover and spine. There is visible cloth loss/chipping at the upper front edge and lower front corner, additional edge and corner wear, rubbing/scuffing to the boards, and wear at the spine ends. The spine shows age-related fading/discoloration. Page edges are heavily toned/browned with age, and the interior pages show expected age toning. No dust jacket is present in the photos. There are also markings/wear visible on the rear cover. Please carefully review all photographs for the exact condition, as the photos are considered part of the description.
This is a genuine vintage 1925 Second American Edition, not a modern reproduction. A particularly interesting collectible for readers and collectors of P. D. Ouspensky, esoteric philosophy, metaphysics, mysticism, occult literature, fourth-dimensional thought, and early 20th-century philosophical works.
Sold as pictured. Please examine all photos carefully before purchasing.
