Chrystal, Paul: - Paul Chrystal is the author of some seventy books published over the last decade, including recent publications such as Wars and Battles of the Roman Republic, Roman Military Disasters and Women and War in Ancient Greece and Rome. He is a regular contributor to history magazines, local and national newspapers and has appeared on BBC Radio 4, BBC World Service and on BBC local radio throughout Yorkshire and in Teesside and Manchester. He writes extensively for several Pen & Sword military history series including 'Cold War 1945-1991', 'A History of Terror' and 'Military Legacy' (of British cities).