The power of Sudoku addiction feeds the sales of this best-selling series. "Pocket Posh(R) Sudoku 22" presents a beautiful book of 100 Sudoku puzzles in 3 difficulty levels. Pocket Posh(R) Sudoku titles have combined sales of 1 million copies across the series. In numerology, 22 is the most powerful of all numbers. Our 22nd Sudoku collection combines that power with elegant, top-notch game playing. "Pocket Posh(R) Sudoku 22" offers 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(TM) adds extra value.