Our Pocket Posh Sudoku puzzle collection now offers more than two dozen different looks and unique Sudoku collections with the publication of Pocket Posh Sudoku 25.  Pocket Posh® Sudoku 25  presents 100 fun and challenging Sudoku puzzles in three levels of difficulty and is perfect for puzzlers on the go. This portable package is part of a best-selling series featuring highly stylized, embellished covers and boasting 5 million copies in print. A free trial subscription to The Puzzle Society™ adds extra value.