Andrew P. Roach is Senior Lecturer in History at the University of Glasgow. He is the author of The Devil’s World; heresy and society, 1100-1300 (2005). James R. Simpson is Reader in French at the University of Glasgow. He is author of Fantasy, identity and misrecognition in medieval French narrative (2000) Troubling Arthurian histories : court culture, performance and scandal in Chrétien de Troyes's Erec et Enide (2007) and co-editor of The culture mangle : conflict and violence in language and culture (2010).