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 around 1959 she had transferred her 278-acre home, Greenway Estate, to her daughter Rosalind. In 1968, when Christie was almost 80 years old, she sold a 51% stake in Agatha Christie Limited (and therefore the works it owned) to Booker Books (better known as Booker Author's Division), a subsidiary of the food and transport conglomerate Booker-McConnell (now Booker Group), the founder of the Booker Prize for literature, which later increased its stake to 64%. Agatha Christie Limited remains the owner of the worldwide rights for over 80 of Christie's novels and short stories, 19 plays, and nearly 40 TV films.