Sudoku: Over 150 Puzzles by Eric Saunders
This wonderful collection of sudoku puzzles is designed in the most beautiful package to fit perfectly in your pocket or bag so you can take it with you wherever you go.
* IMPROVE YOUR SOLVING SKILL: Each puzzle is graded, from beginner to expert, so you can enjoy the satisfaction of seeing your skill improve as you work through the levels.
* EXERCISE YOUR BRAIN: Give your mind a great workout as you find where each missing number fits.
* REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles.