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: Murder on the Orient Express detective Hercule Poirot. "Murder on the Orient Express" retains the main plot elements of Agatha Christie's novel of the same name. An additional ending is presented in the game which differs from the conclusion of Christie's novel. As with "And Then There Were None", Christie's novel is bundled with the game. Some reviewers of "Murder on the Orient Express" criticized the game because of the repetitive nature of tasks the player must complete, and also complained about the inefficient and cumbersome inventory system. Others have praised it for improved graphics compared to "And Then There Were None", as well as