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 vision and to protect the integrity of her creations" and disapproved of "merchandising" activities. Upon Hicks's death on 28 October 2004, both the Society and the Greenway Estate passed to Christie's grandson, Mathew Prichard. After his parents' deaths, Prichard donated Greenway and its contents to the National Trust. The Society is now chaired and managed by Agatha Christie's great-grandson James Prichard. Christie's family and family trusts, including James Prichard, continue to own the remaining 36% stake in Agatha Christie Limited, and remain associated with the company. James Prichard became the company's chairman in October 2015. The development of Christie's work