Agatha Christie's ingenious And Then There Were None is one of the biggest selling novels of all time. The twisty plot follows ten individuals who are lured to a secluded island, and start dying one by one in ever more inventive fashions. Christie herself adapted the stage version, which has kept audiences across the globe guessing for more than sixty years. Will the murderer ever be discovered? And if so, how many of the original ten will be left?