NATIONAL BESTSELLER - Over 2 Million Series Copies Sold Worldwide Unwrap a mystery this holiday season with 25 frighteningly festive murder-mystery logic puzzles! Dive into a world of festive fun, twinkling with interactive illustrations and brimming with madcap adventures. Perfect for cozy nights by the fire or as a gleaming gift under the tree, this smaller-sized stocking-stuffer edition is your ticket to a merry mystery-filled Yuletide. Santa Claus is missing! And Deductive Logico is on the case, solving dozens of murders most foul this holiday season. Can you help him sleigh the culprits and deck the halls with justice in this thrilling puzzle adventure? With killers on the loose, Logico must swap his Christmas cake for his casebook and undertake some seasonal sleuthing. Examine the clues, consider the suspects, and complete the deduction grids to determine who's on Santa's naughty list this Christmas. Stuffed to the brim with puzzles and codes, this is the perfect stocking-filler to hone your detective skills all through the holidays.