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
Miss Marple the Perfect Maid" and "Sanctuary") were also broadcast under the collective title "Miss Marple's Final Cases" weekly 16 – 30 September 2015. Miss Marple was also referred to several times in the episode "Paris" of the BBC Radio 4 comedy programme "Cabin Pressure". Marple was highlighted in volume 20 of the "Case Closed" manga's edition of "Gosho Aoyama's Mystery Library", a section of the graphic novels (usually the last page) where the author introduces a different detective (or occasionally, a villain) from mystery literature, television, or other media. In the 1976 Neil Simon spoof "Murder by Death", Miss Marple is