24 SolveitYourself Christmas Crimes. An Abominable Snowman at Piccadilly Circus? Of course Mr. Holmes takes up the chase immediately. Once again, Advent proves to be anything but peaceful for the world-famous sleuth. Has a forger been cheating the welfare system? Who poisoned the plum pudding? And what about the suspicious-looking Santa who climbed down a chimney with an empty sack and back up aga