Curl up by the fire (and lock all the doors) for this Christmas cracker of a book. --C.S. Green, author of Sleep Tight Twelve clues. Twelve keys. Twelve days of Christmas. But how many will die before Twelfth Night? Agatha Christie meets Clue in this delightful, tense manor house murder mystery. The annual Christmas Game is afoot at Endgame House, the Armitages'...