Grantem Grieve) I Saw Spain (1937) Lady Doctor Woman Spy (1937) Albanian Journey (1938) Danger Spots of Europe (1938) Death Under Gibraltar (1938) Ride to Russia (1938) Scotland Yard Alibi (1938) Baltic Roundabout (1939) Siegfried Spy (1939) Savoy! Corsica! Tunis! Mussolini’s Dream Lands (1940) The Story of Poland (1940) Secrets of German Espionage (1940) Death to the Fifth Column (1941) One Man’s Year (1941) Balkan Spy (1942, jako Don Betteridge) Black Market (1942) Secret Weapon (1942) The New Europe (1942) American Journey (1943) The Escape of General Gerard (1943) Balkan Background (1944) Second Front – First Spy (1944) British Journey (1945) Dictator’s Destiny (1945) Spy Catchers (1945, zbiór 31 opowiadań) The Spy in the Brown Derby (1945) Dead Man Murder (1946) Russia’s Neighbour, the New Poland (1946) Middle Eastern Journey (1947) The Red Spider Web: The Story of Russian Spying in Canada (1947) The Potsdam Murder Plot (1947) Baltic Background (1948) Moscow Murder (1948) News from the East (1948) The Captured Archives: The Story of the Nazi-Soviet Documents (1948) The Flying Saucer (1948) Come Adventuring With Me (1949) Mediterranean Background (1949) Shoot!