El Libro de San Cipriano: Spain's Bestselling Grimoire

El Libro de San Cipriano is not one book. It is a name attached to a moving target: different grimoires from the seventeenth through nineteenth centuries, printed across Spain, Portugal and later Latin America, all claiming the authority of a saint who did not write any of them. The oldest surviving Cyprianic text dates to 1810 and claims, like most of the tradition, to be translated from an older source. It almost certainly is not.

A text this widely reprinted, this openly for sale in Spanish-language markets today, has close to no serious English-language treatment before 2014.

The legend gives the book's namesake to Cyprian of Antioch, a pagan sorcerer of the third century who, in the story, tried and failed to use his magic to win a Christian woman named Justina, converted to her faith after the attempt collapsed, and was martyred alongside her under Diocletian. Whatever the historical Cyprian of Antioch was, and the record is thin, the grimoire tradition uses him purely as a license: a magician-saint whose name could be put on a book of spells without technically calling it un-Christian.

The Iberian Cyprian is not a single lineage. Separate Spanish and Portuguese textual traditions grew up under the same title, mostly in the nineteenth century, compiling prayers, love spells, treasure-hunting instructions, exorcisms and folk cures pulled from older grimoire material, the Key of Solomon, the Grand Grimoire, the Grand et Petit Albert, and from oral practices already circulating among rural practitioners.

One recurring Spanish strand claims authorship by a “Jonás Sufurino,” a supposed copyist-monk grafted onto the legend in a later edition of the Grand Grimoire tradition and then carried into Cyprianic printings. There was no such monk. The name is a literary device, the same kind of borrowed authority that put Cyprian's name on the cover in the first place.

The Portuguese branch, Livro de São Cipriano, usually carries a subtitle translating to something like The Sorcerer's Treasure, and leans more on oral tradition than formal ritual magic: divination, healing, exorcism, love magic, and instructions for locating buried treasure, with a strong regional pull toward Galicia. Rural households kept copies, and inquisitorial records from the eighteenth and early nineteenth centuries document confiscations during investigations into sorcery and superstition, which is most of what is known about how ordinary readers actually used the text.

The book did not stay Iberian. It travelled with Portuguese and Spanish emigration into Latin America and took root there, particularly in Brazil, where editions circulate today among practitioners of Umbanda, Quimbanda and Candomblé, traditions that absorbed the Cyprianic material into their own frameworks rather than treating it as a foreign import.

That is the gap worth naming: a text with a documented readership stretching from eighteenth-century Galician farmhouses to Umbanda terreiros today has almost no equivalent footprint in English-language occultism.

José Leitão, a scholar of Portuguese esotericism, published the first substantial English translation, The Book of Saint Cyprian: The Sorcerer's Treasure, working from a Portuguese edition running past five hundred pages, in 2014. Before that date, an English-speaking reader with no Spanish or Portuguese had essentially no direct access to the tradition, only secondhand description in books about grimoires generally.

The instinct to read Cyprian's book as one text with one history is the same mistake that flattens the Petit Albert or the Key of Solomon into a single fixed object. It is a name, reused across three centuries and two languages, carrying whatever a given printer, editor or copyist wanted to attach to it, treasure spells, love charms, an entire folk-magic reference library. The saint's legend supplied the license. What filled the pages depended on wherever and whenever it was printed.