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.
Mallory (novel) Mallory is a 1950 thriller novel written by James Hadley Chase. "Mallory" is one of the eighteen novels Chase published under the nom-de-plume Raymond Marshall.