Agatha Christie up to the last chapter, then decided who the most unlikely suspect was, after which she would go back and make the necessary changes to "frame" that person. However, John Curran's "Agatha Christie: The Secret Notebooks" describes different working methods for every book in Christie's bibliography, contradicting the claim by Aldiss. Christie's mature novels, from 1940 onwards, often have titles drawn from literature. Four are from Shakespeare: Three are from the Bible: Another six are from other works of literature: In such cases, the original context of the title is usually printed as an epigraph. Similarly, the title of Christie's
Murder Most Foul Murder Most Foul Murder Most Foul is the third of four Miss Marple films made by Metro-Goldwyn-Mayer. Loosely based on the novel "Mrs McGinty's Dead" by Agatha Christie, it stars Margaret Rutherford as Miss Jane Marple, Bud Tingwell as Inspector Craddock, and Stringer Davis (Rutherford's real-life husband) as Mr. Stringer. The story is ostensibly based on the original Christie story, but notably changes the action and characters. Hercule Poirot is replaced by Miss Marple and most other characters are not in the original story. The film was released in 1964 and directed by George Pollock, with David Pursall credited with