"The story of a scandal of epic proportions at the heart of the Catholic church - told by one of the world's leading papal historians; A true, never-before-told tale, of poison, murder, and lesbian initiation rites in a nineteenth-century convent - recently discovered in a Vatican archive; Starring a German princess, the Pope, the Inquisition - and the real-life fantasies of the convent's beautiful young mistress. Discovered in a secret Vatican archive, this is the true, never-before-told story of poison, murder, and lesbian initiation rites in a nineteenth century convent. In 1858, Katherina von Hohenzollern, a German princess recently inducted into the convent of Sant'Ambrogio in Rome, wrote a frantic letter to her cousin, a confidant of the Pope, claiming that she was being abused and feared for her life. The subsequent investigation by the Church's Inquisition uncovered the extraordinary secrets of Sant'Ambrogio and the illicit behavior of the convent's beautiful young mistress, Maria Luissa."--Publisher's description.

A Washington Post Notable Book In 1858, a German princess, recently inducted into the convent of Sant’Ambrogio in Rome, wrote a frantic letter to her cousin, a confidant of the Pope, claiming that she feared for her life. A subsequent investigation by the Church’s Inquisition uncovered the shocking secrets of a convent ruled by a beautiful young mistress, who coerced her novices into lesbian initiation rites and heresies, and who entered into an illicit relationship with a young theologian. Drawing upon written testimony and original documents discovered in a secret Vatican archive, The Nuns of Sant’Ambrogio is the never-before-told true story of how one woman was able to practice deception, heresy, seduction, and murder in the heart of the Catholic Church.