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 around 1959 she had transferred her 278-acre home, Greenway Estate, to her daughter Rosalind. In 1968, when Christie was almost 80 years old, she sold a 51% stake in Agatha Christie Limited (and therefore the works it owned) to Booker Books (better known as Booker Author's Division), a subsidiary of the food and transport conglomerate Booker-McConnell (now Booker Group), the founder of the Booker Prize for literature, which later increased its stake to 64%. Agatha Christie Limited remains the owner of the worldwide rights for over 80 of Christie's novels and short stories, 19 plays, and nearly 40 TV films.