A priceless ruby is stolen from a Far Eastern prince while he is in England. The ruby is intended for the prince's bride-to-be, and Hercule Poirot must find it before a scandal erupts.
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.