Alex Mallett is an Associate Professor in the Faculty of International Research and Education and a member of the team of the Chair of the State of Qatar for Islamic Area Studies at Waseda University, Tokyo. He researches Christian-Muslim relations in the pre-modern Mediterranean, and particularly interactions between subaltern Muslims and Christians of Western Europe and narratives of encounters between Muslims and Christians.Catherine Rider is Associate Professor in Medieval History at the University of Exeter. Her research focuses on the history of magic, medicine, and the Church in the medieval period. She is the author of Magic and Religion in Medieval England and Magic and Impotence in the Middle Ages.Dionisius A. Agius is Emeritus Al-Qasimi Professor of Arabic Studies and Islamic Material Culture at the University of Exeter, and an Affiliate Professor at King Abdulaziz University, Jeddah. He is an Arabist and ethnographer with expertise in the maritime landscapes and author of many books on the Mediterranean and Western Indian Ocean. He is a Fellow of the British Academy.