Anne Hart (Canadian author) Newfoundland Studies and Library Research Professor. Ms. Hart was one of the 2009 Winterset Board of Directors. Ms. Hart's biographies of Miss Marple and Hercule Poirot were written with the full endorsement of Agatha Christie Limited. CBC Radio "Ideas" documentary: "Into Unknown Labrador: The Mina Hubbard Story", 1998-05-28. This lecture was also delivered by Ms. Hart to The Newfoundland Historical Society on January 27, 2000. Anne Hart (Canadian author) Anne Hart (née Hill), OC (born October 7, 1935) is a Canadian author specialising in biographies. She is best known for "The Life and Times of Miss Jane Marple", her biography
Agatha Christie page of the paper on 6 August 1975. Following the great success of "Curtain", Christie gave permission for the release of "Sleeping Murder" sometime in 1976 but died in January 1976 before the book could be released. This may explain some of the inconsistencies compared to the rest of the Marple series—for example, Colonel Arthur Bantry, husband of Miss Marple's friend Dolly, is still alive and well in "Sleeping Murder" although he is noted as having died in books published earlier. It may be that Christie simply did not have time to revise the manuscript before she died. In 2013,