Steven Saylor is the author of the ‘Roma Sub Rosa’ series of crime novels. About the latest book in the series, ‘The Judgement of Caesar’, ‘The Sunday Times’ commented, 'Saylor evokes the ancient world more convincingly than any other writer of his generation'. C M Gilliver is lecturer in Ancient History at Cardiff University and author of ‘The Roman Art of War’ (1999). She is preparing a book on Roman siege warfare and was the historical consultant for a BBC Timewatch programme on Roman soldiers. Adrian Goldsworthy's doctoral thesis formed the basis for his first book, ‘The Roman Army at War 100 BC–AD 200’ (OUP, 1996). His research has focused on aspects of warfare in the Graeco-Roman world, and he has also written ‘Roman Warfare’ (Cassell, 2000) and ‘The Punic Wars’ (Cassell, 2000). Michael Whitby is Professor of Classics and Ancient History at Warwick. He has published several articles on late Roman warfare and been involved as co-editor in ‘The Cambridge Ancient History XIV: AD 425–600’ (2000). He is currently working on a study of Warfare and Society in the later Roman world.