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 (video game series) fourth game in the Agatha Christie series (which was co-developed by AWE Productions and Black Lantern Studios for the Nintendo DS handheld console and was published by Dreamcatcher). In 2011, both DreamCatcher Interactive, and its parent company, JoWood Entertainment went into administration and their assets were absorbed into Nordic Games (which was later re-branded as THQ Nordic). The company did not acquire the rights to Agatha Christie games in the process. In August 2013 the French video game publisher and distributor Anuman Interactive announced that its adventure label Microïds had purchased the rights to use Agatha Christie novels. The first