7 books
The Mystical City of God
The Mystical City of God, Volume II "The Incarnation": The Divine History and Life of the Virgin Mother of God
The Mystical City of God, Volume III "The Transfixion": The Divine History and Life of the Virgin Mother of God
The Mystical City of God, Volume IV "The Coronation": The Divine History and Life of the Virgin Mother of God
The Mystical City of God, Volume I "The Conception": The Divine History and Life of the Virgin Mother of God
The Mystical City of God: Popular Abridgement
The Mystical City of God: Complete Edition: The Divine History and Life of the Virgin Mother of God