Agatha Christie
Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE (15 September 1890 – 12 January 1976) was an English author best known for her 66 mystery novels and 14 short story collections, many of which featured fictional detectives Hercule Poirot and Miss Marple. She also penned six books under the name Mary Westmacott, including the world's longest-running play, The Mousetrap, which has been played in the West End since 1952.
For her services to literature, she was named a Dame (DBE) in 1971. She is by far the most individual author, according to Index Translationum. With over 100 million copies sold, her novel And Then There Were None is one of the best-selling books of all time. The Mousetrap, a theatrical play by Agatha Christie, holds the world record for the longest first run. Christie is the best-selling fiction writer of all time, according to Guinness World Records, with more than two billion copies sold.
Detailed Information:
Min. estimated sales: 2 billion
Max. estimated sales: 4 billion
Original language: English
Genre and/or major works: Whodunits including Miss Marple and Hercule Poirot series
Number of books: 85