The Dialogue of St. Catherine Of Siena. The Dialogue of St. Catherine of Siena was dictated while she was in ecstasy and speaking with God the Father. Contains page after page of divine wisdom on a host of spiritual subjects. Organized under four main categories: Divine Providence, Discretion, Prayer, Obedience. One of the greatest literary treasures of the Church. For this work and her letters, St. Catherine was named a Doctor of the Church. This is the original TAN edition of the Dialogue, back by popular demand with an updated cover, fresh typesetting, and the same trusted content.