She atuhored The Mousetrap, the longest-running play in the history of modern theater. Of the most enduring figures in crime literature, she created Hercule Poirot and Miss Jane Marple. According to Index Translationum, people translated her works into 103 languages at least, the most for an individual author. Her books sold more than a billion copies in the English language and a billion in translation. This best-selling author of all time wrote 66 crime novels and story collections, fourteen plays, and six novels under a pseudonym in romance. More than seventy detective novels of British writer Dame Agatha Mary Clarissa Christie include The Murder of Roger Ackroyd (1926), and And Then There Were None (1939) she also wrote plays, including The Mousetrap (1952).
Agatha Christie also wrote romance novels under the pseudonym Mary Westmacott, and was occasionally published under the name Agatha Christie Mallowan.
