Sean McGlynn is the author of the acclaimed By Sword and Fire: Cruelty and Atrocity in Medieval Warfare, which is published in four languages. He is a regular contributor to books and authoritative reference works, as well as to history magazines and academic journals such as BBC History, History Today, History and English Historical Review. He has studied and researched at King's College London, London School of Economics and Cardiff University. He has lectured in History at the universities of Bristol and of Bath, and currently lectures for the University of Plymouth at Strode College and the Open University.