John Curran is the long-time literary advisor to Agatha Christie's estate, often giving talks and appearing on documentaries about her life. He has spent the last few years unpicking the notebooks and deciphering Agatha Christie's handwriting for this, his first book.
Agatha Christie is known throughout the world as the Queen of Crime. Her books have sold over a billion copies in English with another billion in over 70 foreign languages.
She is the most widely published author of all time and in any language, outsold only by the Bible and Shakespeare. She is the author of 80 crime novels and short story collections, 20 plays, and six novels written under the name of Mary Westmacott.