A maddeningly addictive must-have, Pocket Posh® Sudoku 16 presents a beautiful book of 100 Sudoku puzzles in 3 difficulty levels. Pocket Posh® Sudoku titles have combined sales of 1 million copies across the series. Our sweet sixteenth Pocket Posh® Sudoku collection offers 100 addictive Sudoku puzzles in three levels of difficulty. Pocket Posh Sudoku 16…