The perfect stocking stuffer Our best-selling Pocket Posh(R) puzzle series is adorned in festive holiday designs. "Pocket Posh(R)"" Christmas Sudoku 4 "features 100 sudoku puzzles for hours of holiday fun. Sudoku puzzles dazzle and shine in this festive gem. One hundred sudoku puzzles in three difficulty levels are wrapped in an irresistible package for holiday shoppers and gift giving. A free trial subscription to The Puzzle Society adds extra value.