In this exclusive authorized edition from the Queen of Mystery, a woman at the end of her rope chooses a more exciting way to die when she embarks upon an almost certain suicide mission to find a missing scientist. When a number of leading scientists disappear without a trace, concern grows within the international intelligence community. And the one woman who appears to hold the key to the mystery is dying from injuries sustained in a plane crash. Meanwhile, in a Casablanca hotel room, Hilary Craven prepares to take her own life. But her suicide attempt is about to be interrupted by a man who will offer her an altogether more thrilling way to die. . . . “Agatha Christie gives us one of her rare thrillers―just to show that she can.” - Sunday Times (London) “Agatha Christie is a phenomenon.” - Antonia Fraser When a number of leading scientists disappear without a trace, concern grows within the international intelligence community. And the one woman who appears to hold the key to the mystery is dying from injuries sustained in a plane crash. Meanwhile, in a Casablanca hotel room, Hilary Craven prepares to take her own life. But her suicide attempt is about to be interrupted by a man who will offer her an altogether more thrilling way to die. . . . 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, after a prolific career spanning six decades.