Each of them were highly successful alone before beginning their work together. The Prix du Roman d'Aventures, one of the most important literary awards in France, is given each year to the author of the best example of detective fiction in the world. Boileau won it in 1938 forLe Repos de Bacchus . Narcejac received it forLa Mort est du Voyage in 1948. They met at the 1948 awards dinner.
While most of their works stand alone, they also wrote the "Sans Atout" series for young readers.
Two of their novels,Celle qui n'était plus andD'entre les morts , were adapted into films (respectively, Les Diaboliques and Vertigo)