* Kampen om solen:1939-1941 (2011)
* Operation Sealion:The German Plan to Invade Britain, 1940 (2010)
* Luftwaffe-angrebene, 1940 (1996)
Artikler
* "The Enigma Code:How It Worked and Why It Was Broken" (2013)
* "The Battle of the Atlantic:The Turning Point of the World War II" (2012)
* "Holocaust:En historie om folkedrabet på europæiske jøder" (2011)
Andet
* Konsulent for BBC-dokumentarserien "World War II in Colour" (2009)
* Historisk rådgiver for filmen "Dunkirk" (2017)