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 estate. Most of her books and short stories have been adapted for television, radio, video games and comics, and more than thirty feature films have been based on her work. Agatha Mary Clarissa Miller was born on 15 September 1890 into a wealthy upper-middle-class family in Torquay, Devon. She was the youngest of three children born to Frederick Alvah Miller, an affluent American stockbroker, and his British-born wife Clara Miller née Boehmer. Agatha's mother Clara had been born in Belfast in 1854 to Captain Frederick Boehmer and his wife Mary Ann West as the couple's only daughter. Boehmer was killed