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: Murder on the Orient Express has been hidden in the baggage compartment of the train during the journey, having boarded at Belgrade disguised as an attendant. Daisy then comes out to meet the people who thought she was dead. Poirot, Dr. Constantine, and Marceau decide to tell the police officials the first solution – that an unknown assassin came aboard the train, killed Rachett, and left. The passengers are overjoyed that Daisy is alive and Poirot concludes that it is "a most satisfactory solution indeed." "Murder on the Orient Express" was announced in May 2006, as the second installment in The Adventure Company's "Agatha Christie