A maddeningly addictive must-have, "Pocket Posh(R) Sudoku 16" 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. Our sweet sixteenth Pocket Posh(R) Sudoku collection offers 100 addictive Sudoku puzzles in three levels of difficulty. Pocket Posh Sudoku 16 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 million copies in print.