Pocket Posh Sudoku 18 100 Puzzles Author:The Puzzle Society Number eighteen in our Pocket Posh Sudoku series offers 100 fun and challenging Sudoku puzzles in three levels of difficulty. Pocket Posh Sudoku 18 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 and boasting 5 millio... more »n copies in print. A free trial subscription to The Puzzle Society? adds extra value.« less