Agatha Christie a long-running character in Christie's works, appearing in 33 novels and 54 short stories. Miss Jane Marple, introduced in the short-story collection "The Thirteen Problems" in 1927, was based on Christie's grandmother and her "Ealing cronies". Both Jane and Gran "always expected the worst of everyone and everything, and were, with almost frightening accuracy, usually proved right." Marple appeared in 12 novels and 20 stories. During the Second World War, Christie wrote two novels, "Curtain" and "Sleeping Murder", intended as the last cases of these two great detectives, Hercule Poirot and Miss Marple. Both books were sealed in a bank
Agatha Christie's Marple sometimes when simply being at home), Miss Marple often stumbles upon or hears about mysterious murders, which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over. During her adventures, Miss Marple is aided by close friends, relatives, or other allies that she meets, which include Tommy and Tuppence - protagonists of another series of Christie novels. The only character to appear in every episode is Miss Marple herself, played by Geraldine McEwan until series 3 and by Julia McKenzie from series 4 onwards. A