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.
A Battle of Nerves A Battle of Nerves (French: "La Tête d'un homme", also known as "A Man's Head") is a detective novel by Belgian writer Georges Simenon, featuring his character Inspector Jules Maigret. Published in 1931, it is one of the earliest of Simenon's "Maigret" novels, and one of eleven he had published that year.