  | Antony and Cleopatra Published by: Weidenfeld & Nicolson (July 2010) (UK) Yale University Press (September 2010) (US) |
  | The Fall Of The West The Death Of The Roman Superpower Published by: Weidenfeld & Nicolson (February 2009) (UK) Yale University Press (May 2009) (US) |
  | Caesar The Life of a Colossus Published by: Weidenfeld & Nicolson (May 2006) (UK) Phoenix (May 2007) (UK) Yale University Press (2006, 2008) (US) |
  | In the Name of Rome The Men who Won the Roman Empire Published by: Weidenfeld & Nicolson (October 2003) Phoenix (August 2004) |
 | The Complete Roman Army Published by: Thames & Hudson (September, 2003) |
  | Cannae Hannibal's Greatest Victory Published by: Weidenfeld Military (December 2001) Phoenix (Maty 2007) |
  | The Punic Wars (Cassell Military Trade Books) Published by: Weidenfeld & Nicolson (September 2000) Phoenix (October 2003) |
  | Roman Warfare Published by: Weidenfeld & Nicolson (February 2000) Phoenix (May 2007) |
 | The Roman Army at War, 100 BC-AD 200 (Oxford Classical Monographs) Published by: Clarendon Press (February 1998) |