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 indult heritage of the Tridentine liturgy, and was signed by many prominent non-Catholic figures in British society, including Agatha Christie, Vladimir Ashkenazy, Kenneth Clark, Robert Graves, F. R. Leavis, Cecil Day-Lewis, Nancy Mitford, Iris Murdoch, Yehudi Menuhin, Joan Sutherland and two Anglican bishops, those of Exeter and of Ripon. John Cardinal Heenan approached Pope Paul VI and asked that use of the Tridentine Mass be permitted. On 5 November 1971, the Pope granted the request. Between then and the granting of the worldwide "universal indult" in 1984, the bishops of England and Wales were authorized to grant permission for the occasional