Agatha Christie up to the last chapter, then decided who the most unlikely suspect was, after which she would go back and make the necessary changes to "frame" that person. However, John Curran's "Agatha Christie: The Secret Notebooks" describes different working methods for every book in Christie's bibliography, contradicting the claim by Aldiss. Christie's mature novels, from 1940 onwards, often have titles drawn from literature. Four are from Shakespeare: Three are from the Bible: Another six are from other works of literature: In such cases, the original context of the title is usually printed as an epigraph. Similarly, the title of Christie's
Agatha Christie: Murder on the Orient Express has been hidden in the baggage compartment of the train during the journey, having boarded at Belgrade disguised as an attendant. Daisy then comes out to meet the people who thought she was dead. Poirot, Dr. Constantine, and Marceau decide to tell the police officials the first solution – that an unknown assassin came aboard the train, killed Rachett, and left. The passengers are overjoyed that Daisy is alive and Poirot concludes that it is "a most satisfactory solution indeed." "Murder on the Orient Express" was announced in May 2006, as the second installment in The Adventure Company's "Agatha Christie