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 their mother insisted that Agatha receive a home education. As a result, her parents were responsible for teaching her to read and write and to master basic arithmetic, a subject she particularly enjoyed. They also taught her music, and she learned to play both the piano and the mandolin. According to biographer Laura Thomson, Clara believed that Agatha should not learn to read until she was eight. However, thanks to her own curiosity, Agatha taught herself to read much earlier. One of the earliest known photographs of Christie depicts her as a little girl with her first dog, whom she