<p> The World's Bestselling Mystery </p> <p> "Ten . . ."<br> Ten strangers are lured to an isolated island mansion off the Devon coast by a mysterious "U. N. Owen." </p> <p> "Nine . . ."<br> At dinner a recorded message accuses each of them in turn of having a guilty secret, and by the end of the night one of the guests is dead. </p> <p> "Eight . . ."<br> Stranded by a violent storm, and haunted by a nursery rhyme counting down one by one . . . as one by one . . . they begin to die. </p> <p> "Seven . . ."<br> Which among them is the killer and will any of them survive? </p>