Pocket Posh Sudoku 15 100 Puzzles Author:The Puzzle Society Our 15th Pocket Posh® Sudoku collection is having its 15 minutes with an offering of 100 addictive Sudoku puzzles in three levels of difficulty. Pocket Posh Sudoku 15 is perfect for puzzlers looking for a quick and engaging puzzle to complete. This portable package is part of a best-selling series featuring highly stylized, embellished covers an... more »d boasting 5 million copies in print. A free trial subscription to The Puzzle Society? adds extra value.« less