Brian Todd Carey is an Assistant Professor of History and Military History at the American Public University System, where he has taught ancient, medieval, and early modern military history for over twenty years. His first two books, 'Warfare in the Ancient World' and 'Warfare in the Medieval World', cover the history of warfare in western civilization from the Bronze Age through the Thirty Years' War. His other publications include 'Hannibal’s Last Battle' and 'Road to Manzikert: Byzantine and Islamic Warfare, 527-1071'.