Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold more than a billion copies in English and another billion in a hundred foreign languages. She died in 1976. Sophie Hannah is the internationally bestselling author of nine psychological thrillers, which have been published in more than 20 countries and adapted for television. Sophie is an Honorary Fellow of Lucy Cavendish College, Cambridge, and as a poet has been shortlisted for the TS Eliot Prize.