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 death in November 1901, aged 55, left the family in an uncertain economic situation. Clara and Agatha continued to live together in their Torquay home, Madge had moved to Abney Hall in Cheadle, Cheshire, with her new husband, and Monty had joined the army and been sent to South Africa to fight in the Boer War. Agatha later claimed that her father's death, occurring when she was 11 years old, marked the end of her childhood. In 1902, she was sent to receive a formal education at Miss Guyer's Girls School in Torquay but found it difficult to adjust to