The Mystical City of God is a book written in the 17th-century by the Franciscan nun, Venerable Mary of Jesus of Ágreda. According to María de Ágreda, the book was to a considerable extent dictated to her by the Blessed Virgin Mary and regarded the life of the Virgin Mary and the divine plan for creation and the salvation of souls. The work alternates between descriptions of the Trinity, the Virgin Mary's life, and the spiritual guidance she provides to the author, by whom her words were r...