The Magical Ritual of the Sanctum Regnum is a concise esoteric manual that presents a sequence of meditations and ritual instructions keyed to the twenty-two trumps of the Tarot. Written in Lévi's characteristic synthesis of Catholic symbolism, Hermetic philosophy, Kabbalistic correspondences, and ceremonial magic, the work treats the Tarot not as a fortune-telling device but as a hieratic alphabet of spiritual initiation. Its style is aphoristic, symbolic, and deliberately elevated, standing within the nineteenth-century French occult revival that sought to reconcile ancient wisdom with modern metaphysical inquiry. Éliphas Lévi, born Alphonse-Louis Constant in 1810, was trained for the priesthood before turning toward radical politics, mysticism, and occult philosophy. His theological education, fascination with ritual, and lifelong effort to reinterpret magic as a disciplined science of will and imagination shaped this book profoundly. Lévi's writings helped define modern Western esotericism, influencing the Hermetic Order of the Golden Dawn and later occultists. This book is recommended for readers interested in Tarot, ritual symbolism, and the intellectual history of occultism. Though brief, it rewards careful reading and offers a profound glimpse into Lévi's vision of magic as moral, imaginative, and initiatory transformation.