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 vault for over thirty years and were released for publication by Christie only at the end of her life, when she realised that she could not write any more novels. These publications came on the heels of the success of the film version of "Murder on the Orient Express" in 1974. Christie became increasingly tired of Poirot, much as Sir Arthur Conan Doyle had grown weary of his character Sherlock Holmes. By the end of the 1930s, Christie wrote in her diary that she was finding Poirot "insufferable", and by the 1960s she felt that he was "an egocentric creep".