Crowley was against reading cards reversed. He believed the cards contain both positive and negative poles within the upright image. A "negative" Thoth card (like the Ten of Swords: Ruin) is already showing you the catastrophe—turning it upside down adds no new information.
To give you a taste, here is a simple Thoth-specific spread called "The Three Aeon Spread" (Past/Present/Future on the path of Horus). thoth tarot deck
The cards are arranged by suit, corresponding to the elements: Crowley was against reading cards reversed
The genesis of the Thoth deck is central to understanding its character. Between 1938 and 1943, as the world descended into war, Crowley—then living in relative obscurity—dictated a torrent of precise, often abstruse, instructions to Lady Harris, a trained artist and Theosophist. Despite their fraught collaboration, marked by Harris’s frustration with Crowley’s constant revisions and her own financial strain, the pair produced a work of staggering cohesion. Crowley intended the deck to serve as a new pictorial key to the Book of Thoth (his accompanying text), codifying the principles of his syncretic religion, Thelema, whose central axiom is: “Do what thou wilt shall be the whole of the Law.” Consequently, every card in the deck is infused with a dense network of correspondences including astrology, the Kabbalistic Tree of Life, alchemy, and Egyptian, Hindu, and Gnostic mythology. To give you a taste, here is a
The imagery of the is starkly different from its predecessors. Unlike the detailed, narrative scenes of the Rider-Waite-Smith (RWS) deck, the Thoth cards are minimalist yet charged with symbolism.