Agatha Christie 2 billion copies, and her estate claims that her works come third in the rankings of the world's most-widely published books, behind only Shakespeare's works and the Bible. According to Index Translationum, she remains the most-translated individual author, having been translated into at least 103 languages. "And Then There Were None" is Christie's best-selling novel, with 100 million sales to date, making it the world's best-selling mystery ever, and one of the best-selling books of all time. Christie's stage play "The Mousetrap" holds the world record for longest initial run. It opened at the Ambassadors Theatre in the West End
Agatha Christie estate. Most of her books and short stories have been adapted for television, radio, video games and comics, and more than thirty feature films have been based on her work. Agatha Mary Clarissa Miller was born on 15 September 1890 into a wealthy upper-middle-class family in Torquay, Devon. She was the youngest of three children born to Frederick Alvah Miller, an affluent American stockbroker, and his British-born wife Clara Miller née Boehmer. Agatha's mother Clara had been born in Belfast in 1854 to Captain Frederick Boehmer and his wife Mary Ann West as the couple's only daughter. Boehmer was killed