He has published on aspects of the Air, Land and Sea campaigns in the Second World War. His books include Destination Normandy: Three American Regiments on D-Day (Praeger, 2006), [with R. Bennett] Survivors: British Merchant Seamen in the Second World War (Hambledon, 1999) and The RAF’s French Foreign Legion: De Gaulle, the British and the Rebirth of French Airpower 1940-1945 (Continuum, 2012). He is one of the series editors for the Britannia Naval Histories of World War II being published by the University of Plymouth Press. (Webpage)