Enid Blyton a collection of papers belonging to Blyton's daughter Gillian, purchased by Seven Stories in 2010 following her death. It was initially thought to belong to a comic strip collection of the same name published in 1949, but it appears to be unrelated and is believed to be something written in the 1930s, which had been rejected by a publisher. In a 1982 survey of 10,000 eleven-year-old children Blyton was voted their most popular writer. She is the world's fourth most-translated author, behind Agatha Christie, Jules Verne and William Shakespeare with her books being translated into 90 languages. From 2000 to
Agatha Christie's Poirot Cusack in "The King of Clubs", Sorcha Cusack in "Jewel Robbery at The Grand Metropolitan", and Sinéad Cusack in "Dead Man's Folly". Phyllida Law and her daughter Sophie Thompson appeared in "Hallowe'en Party". David Yelland appeared as Charles Laverton West in "Murder in the Mews" and as George for the remainder of the series from Series 10 onward, and his daughter Hannah Yelland appeared as Geraldine Marsh in "Lord Edgware Dies". Agatha Christie's grandson Mathew has commented, "Personally, I regret very much that she (Agatha Christie) never saw David Suchet. I think that visually he is much the most convincing