The finding of the pronounced divine name Iao freely used in a LXX MS from Qumran has left many scholars baffled (Kristin de Troyer). This name is best known from gnostic and magical sources, but till now no one has provided a history of its background prior to its move into these genres, necessary for placing it in the LXX's textual tradition and understanding the chronology of the gradual disuse of God's name in non-mystical contexts. This book...