Agatha Christie Before marrying and starting a family in London, she had served in a Devon hospital during the First World War, tending to troops coming back from the trenches. She was initially an unsuccessful writer with six consecutive rejections, but this changed when "The Mysterious Affair at Styles", featuring Hercule Poirot, was published in 1920. During the Second World War, she worked as a pharmacy assistant at University College Hospital, London, acquiring a good knowledge of poisons which feature in many of her novels. "Guinness World Records" lists Christie as the best-selling novelist of all time. Her novels have sold roughly
Agatha Christie's Poirot episode Poirot is both the main detective in charge of the investigation of a crime (usually murder) and the protagonist who is at the centre of most of the episode's action. At the programme's conclusion, which finished with "", based on the final Poirot novel, every major literary work by Christie that featured the title character had been adapted. Clive Exton in partnership with producer Brian Eastman adapted the pilot. Together, they wrote and produced the first eight series. Exton and Eastman left "Poirot" after 2001, when they began work on "Rosemary & Thyme". Michele Buck and Damien Timmer, who