The Magical Ritual of the Sanctum Regnum is a unique guide into the world of tarot. Within 22 chapters readers will find out the true meaning of each of the twenty-two tarot trumps. Every chapter is enriched with a brief editor's note describing the card's iconography and summarising interpretations. Finally, the book ends with Kabbalistic prayers and rituals, praise of Jesus Christ.

William Wynn Westcott (1848 – 1925) was a coroner, ceremonial magician, theosophist and Freemason born in Leamington, Warwickshire, England. He was a Supreme Magus of the S.R.I.A (Societas Rosicruciana in Anglia) and went on to co-found the Golden Dawn.