- The Rise of the Bomber: RAF-Army Planning 1919 to Munich 1938
- The RAF in the Battle of France and the Battle of Britain: A Reappraisal of Army and Air Policy 1938-1940
- The Rise and Fall of the French Air Force: French Air Operations and Strategy 1900-1940
- RAF at the Crossroads: The Second Front and Strategic Bombing Debate, 1942-1943
- The RAF's Road to D-Day: The Struggle to Exploit Air Superiority, 1943-1944








