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: An Autobiography Gregg, the director of six of her plays who, in his 1980 memoir "Agatha Christie and All That Mousetrap", spoke with some disparagement of Christie, stating at one point, “She owed an enormous debt to Peter Saunders yet in her autobiography she gives him scant mention. Speaking of "The Unexpected Guest" (which Gregg directed) she says quite simply that she wrote it. I think perhaps she didn’t like to confess – to herself, even – that her theatrical accomplishments could not be achieved without help.” However, Janet Morgan, Christie's official biographer, considered the "Autobiography" to be “an enchanting book, fluent,