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.
Henri René Guieu Henri René Guieu (19 March 1926 – 2 January 2000) was a French science fiction writer and a famous ufologist who published primarily with the pseudonym Jimmy Guieu. He occasionally used other pseudonyms as well, including "Claude Vauzière" for a young adult series, "Jimmy G. Quint" (with Georges Pierquin) for a number of espionage novels, "Claude Rostaing" for two detective novels and "Dominique Verseau" for six erotic novels.