Kelly DeVries is Professor of History at Loyola College in Maryland. He is the author of several books, including Medieval Military Technology, Infantry Warfare in the Early Fourteenth Century, Joan of Arc: A Military Leader, and Guns and Men in Medieval Europe. Iain Dickie has been a committee member of the Society of Ancients, the editor of Army & Navy Modelworld, Military Hobbies, and Miniature Wargames magazine. Martin J. Dougherty is a freelance writer specializing in military and defence topics. He is the author of Medieval Warrior, SAS and Elite Forces Guide Extreme Unarmed Combat, and SAS and Elite Forces Guide Sniper, Small Arms: From the Civil War to the Present Day, and books on personal self-defence. He lives in northern England. Phyllis G. Jestice is Professor of Medieval European History and former Chair of the Department of History at the College of Charleston, South Carolina, where she regularly teaches about vikings, crusaders, and the 100 Years War. A devoted teacher, Jestice enjoys writing for both academic and popular audiences. Her most recent monograph is Imperial Ladies of the Ottonian Dynasty: Women and Rule in Tenth-century Germany> (Palgrave Macmillan 2018). Christer Jorgensen has a Ph.D from University College, London. An expert on military history, Jorgensen has published various books on the history of European warfare. Based in London, he has also contributed to Battles That Changed Warfare and Battles of the Crusades. Michael F. Pavkovic earned his Ph.D from the University of Hawaii at Manoa. He currently serves as an associate professor of strategy and policy at the US Naval War College in Newport, Rhode Island. He is co-author of What is Military History?