- The Battle of Britain:A Study in Strategy and Tactics (1940)
- The Real War:A History of the Second World War (1948)
- Six Months of Fighting:The German View (1948)
- Διοίκηση βομβαρδιστικών (1951)
- The Battle for the Middle East, 1940-1942 (1953)
- Operation Sea Lion:The German Plan to Invade England in 1940 (1954)
- Ο Ισπανικός Εμφύλιος Πόλεμος (1957)
- Patton (1961)
- Montgomery:A Biography (1963)
- The Sword and the Pen:A Biography of Alexander the Great (1968)