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
Poirot Investigates clue. According to Poirot, Miss Marsh proved her superior intelligence by employing Poirot to solve the case. The American edition of the book, published one year later, featured an additional three stories which did not appear in book form in the UK until 1974 with the publication of "Poirot's Early Cases". The review in "The Times Literary Supplement" of 3 April 1924 began with a note of caution but then became more positive: "When in the first of M. Poirot's adventures, we find a famous diamond that has been the eye of a god and a cryptic message that it