How many novels did the detective who helped Antoinette Marceau on the Murder on the Orient Express appear in?
Hercule Poirot Hercule Poirot ( ; ] ) is a fictional Belgian detective, created by Agatha Christie. Poirot is one of Christie's most famous and long-lived characters, appearing in 33 novels, one play ("Black Coffee"), and more than 50 short stories published between 1920 and 1975.
Monsieur Lecoq (novel) Monsieur Lecoq is a novel by the nineteenth-century French detective fiction writer Émile Gaboriau, whom André Gide referred to as "the father of all current detective fiction". The novel depicts the first case of Monsieur Lecoq, an energetic young policeman who appears in other novels by Gaboriau.