Kate Cooper is Professor of Ancient History at the University of Manchester. She writes and teaches about the world of the Mediterranean in the late Roman period, working to understand the 'identity politics' of the Roman provinces with a special interest in daily life and the family, religion, and gender. Her most recent book is Band of Angels: The Forgotten World of Early Christian Women (2013); other publications include The Fall of the Roman Household (Cambridge, 2007), and a collection of essays, edited with Julia Hillner, Religion, Dynasty and Patronage in Early Christian Rome (Cambridge, 2007). In recent years, Kate has renewed a long-standing interest in the problem of religion and violence, holding a RCUK Global Uncertainties: Ideas and Beliefs Fellowship (2009-12) and a Leverhulme Trust Major Research Fellowship (2012-15) for a project on The Early Christian Martyr Acts: A New Approach to Ancient Heroes of Resistance. Kate regularly contributes to broadcast media on the history of gender, sexuality, and religious identity, as well as writing for print and online publications such as The Times, The Guardian, and The Huffington Post. Her personal website, KATEANTIQUITY, has readers in 124 countries and can be found at www.kateantiquity.com. Conrad Leyser is Fellow and Tutor in History at Worcester College, Oxford. Previously, he was Senior Lecturer in Medieval History at the University of Manchester. His work centres on late Roman and early medieval traditions of moral authority, with a particular interest in questions of rhetoric, gender and law. He is the author of Authority and Asceticism from Augustine to Gregory the Great (2000). Other publications include Motherhood, Religion, and Society in Medieval Europe, 400-1400 (co-edited with Lesley Smith, 2011). His current project is The Age of Faith: The Story of the Medieval Church, 200-1200, a study of the clerical caste from the third to the eleventh centuries in the Latin West. He organised the international colloquium 'Peace in the Feud: History and Anthropology, 1955-2005', held at Manchester in 2005, out of which this book has developed. Conrad reviews for the Times Literary Supplement, and he has appeared twice as lead contributor to Radio 4's 'Long View'.