Christiane Gruber is Assistant Professor of Islamic Art at Indiana University Bloomington. She is editor (with Frederick S. Colby) of The Prophet's Ascension: Cross-Cultural Encounters with the Islamic Mi'raj Tales (IUP, 2009) and author of The Timurid Book of Ascension (Mi'rajnama): A Study of Text and Image in a Pan-Asian Context and The Ilkhanid Book of Ascension: A Persian-Sunni Prayer Manual.