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.
Once More the Saint Once More the Saint is a collection of three interrelated mystery novellas by Leslie Charteris, first published in the United Kingdom by Hodder and Stoughton in January 1933. This was the tenth book to feature the adventures of Simon Templar, alias "The Saint". The first American edition, published in May 1933, changed the title to The Saint and Mr. Teal, which was later adopted by UK editions of the book. (Mr. Teal refers to Scotland Yard Inspector Claud Eustace Teal, a recurring character.)