Brian A. Catlos is Professor of Religious Studies at University of Colorado Boulder. He works on Christian-Muslim-Jewish relations in the premodern Mediterranean. His most recent book, Kingdoms of Faith: A New History of Islamic Spain, is available in eight languages and as an audiobook.

Mark D. Meyerson is Professor in the Department of History and Centre for Medieval Studies at the University of Toronto. He works on Christian-Muslim-Jewish relations in the premodern Mediterranean and on the history of violence. His book A Jewish Renaissance in Fifteenth-Century Spain was runner-up for the National Jewish Book Award, USA.