The Medieval Preaching and Spirituality Collection (34 vols.) - works by or about the Desert Fathers, Boethius, Gregory the Great, Isidore of Seville, St. John of Damascus, St. Augustine, Hugh of St. Victor, Bernard of Clairvaux, Abelard & Heloise, Anthony of Padua, Thomas Aquinas, St. Bonaventure, Albert the Great, Richard Rolle, Catherine of Siena. All incredibly important people in the history of Christian spirituality.
Currently trending towards the low end of the bidding scale, which would be an exceedingly good value if it goes for that. About $2.35 per volume.