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 noises coming from the Orient Express itself, and other environmental noises such as howling wind. IGN, in contrast, heavily criticized the game for a lack of background music, and simplistic and monotonous sound effects. "Murder on the Orient Express" was used as a learning tool during a study on learner autonomy in video games. This study took Greek high school students and had them involved in several tests and evaluations at several different points of the study. Agatha Christie: Murder on the Orient Express Agatha Christie: Murder on the Orient Express is a 2006 adventure game developed by AWE Productions