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 in 2004, ITV broadcast a series of adaptations of Agatha Christie's books under the title "Agatha Christie's Marple", usually referred to as "Marple." Geraldine McEwan starred in the first three series. Julia McKenzie took over the role in the fourth season. The adaptations are notable for changing the plots and characters of the original books (e.g. incorporating lesbian affairs, changing the identities of some killers, renaming or removing significant characters, and even using stories from other books in which Miss Marple did not originally feature). In the Geraldine McEwan series it is revealed that when she was young (portrayed by