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
Hercule Poirot the Poirot stories also appeared, most recently twenty-seven of them on BBC Radio 4 (and regularly repeated on BBC 7, later BBC Radio 4 Extra), starring John Moffatt; Maurice Denham and Peter Sallis have also played Poirot on BBC Radio 4 in "The Mystery of the Blue Train" and in "Hercule Poirot's Christmas", respectively. In 1939, Orson Welles and the Mercury Players dramatised "Roger Ackroyd" on CBS's "Campbell Playhouse". A 1945 radio series of at least 13 original half-hour episodes (none of which apparently adapt any Christie stories) transferred Poirot from London to New York and starred character actor Harold