Hercule Poirot in literature Chocolate Box" but for some reason this reference was removed from the later editions. The Poirot books are still under copyright. "The Mysterious Affair at Styles" is now public domain in the US but will not become public domain in the UK until 2046 (70 years after Christie's death). Christie's grandson, Matthew Prichard, now owns the copyright to his grandmother's works. In 2014, the Christie estate authorised author Sophie Hannah to write a new Poirot book, "The Monogram Murders". "Short story collections listed as "ss"" Poirot settles down in London and opens a private detective agency. These are the short
Death on the Nile expect great things of such a combination [of Agatha Christie and Hercule Poirot] and you will not be disappointed.". In "The Observer"'s issue of 14 November 1937, "Torquemada" (Edward Powys Mathers) started off by saying, "First this week comes Agatha Christie. She scored, I contend, two outers in her last three shots; but she is back on the very centre of the bull with "Death on the Nile"." He summarized the set-up of the plot and then continued, "Terrible things happen and, without the formality of breaking off her narrative to issue a challenge, the author allows Poirot to summarize