The essential accessory for the mobile, stylish, contemporary man Pocket Smartâ"[ Sudoku combines a professional and sleek package with 100 Sudoku puzzles that even the most sophisticated men can comfortably carry and use. The Posh and Pocket PoshÂ(R) puzzles series have over 3 million copies in print since their inception in May 2008. The essential accessory for the mobile, stylish, and contemporary man, combines a professionally sleek package with 100 Sudoku puzzles that even the most refined man can carry comfortably and unobtrusively inside a suit pocket or attache.