Deductive Logico is settling in for some festive jollity when . . . he is interrupted by a series of not-so-merry murders. 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.