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 on 25 November 1952, and is still running after more than 27,000 performances. In 1955, Christie was the first recipient of the Mystery Writers of America's highest honour, the Grand Master Award. Later the same year, "Witness for the Prosecution" received an Edgar Award by the MWA for Best Play. In 2013, "The Murder of Roger Ackroyd" was voted the best crime novel ever by 600 fellow writers of the Crime Writers' Association. On 15 September 2015, coinciding with her 125th birthday, "And Then There Were None" was named the "World's Favourite Christie" in a vote sponsored by the author's