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.
Maigret Has Scruples Maigret Has Scruples (French: "Les Scrupules de Maigret") is a detective novel by the Belgian writer Georges Simenon featuring his character Jules Maigret.