The Smart Way to Play . The Sudoku Challenging Book Volume 1 with 240 Quizzes 12+

📙 You don't have to be really smart to successfully solve Sudoku puzzles. You just need to know what you're doing, which means having a strategy in place. The great thing about Sudoku is that once you get a strategy that works, you're basically done. You can use that strategy over and over and you will still get the same brilliant results. Answer Sudoku now!