Agatha Christie pleased to have their own novels in print in 100 years. Just one of the 25 authors held with Edmund Wilson's views. Harper Collins also published a souvenir magazine "Shocking Real Murders: Behind Her Classic Mysteries". The "Guinness Book of World Records" lists Christie as the best-selling novelist of all time. Her novels have sold roughly 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. Half of the sales are of English language editions, and the other half in translation. According
Agatha Christie: And Then There Were None Adventure Company chose the novel "And Then There Were None" as the first game, instead of other Christie novels involving famous detectives Hercule Poirot and Miss Marple, for several reasons. Among them was the popularity of the novel, which would help with marketing; and the island nature of the story which would provide a natural barrier, while allowing more freedom of movement for the players within that confined area. One major obstacle in the development of "And Then There Were None" was gaining the approval of aspects of the game from Chorion, the company which owns the rights to Agatha