The spy, masquerading as a lieutenant in the French army, was neutralized by an ingenious trap set by the Deuxième Bureau' operative Captain Pierre Ardant.
The hero of the story, under the alias of Lieutenant Heim (portrayed by actor Gabriel Gabrio in the 1939 film adaptation) penetrated the Kaiser's army.
[2] Sixième colonne (Sixth Column) 1955, deals with the ostensive defection to the East of a French bacteriologist and the search for him carried out by his brother, a lieutenant colonel in the medical service, Pierre Rocher.
Le 13e suicidé (The Thirteenth Who Committed Suicide) 1971, features a high-ranking Russian defector who reveals that many leading figures in the West German intelligence service are in fact Soviet agents.
This novel was adapted into a film Le Serpent (Night Flight from Moscow) 1973 starring Yul Brynner, Henry Fonda and Dirk Bogarde.
Between 1946 and 1949, Nord published a three-volume account of Free French intelligence actions during the Second World War under the title Mes Camarades sont morts (My Comrades are Dead), it won the Grand Prix Vérité.