Sudoku

Sudokus are the ever popular number placements puzzles that give your brain a workout. Spanning across a number of difficulties, this stylish collection of more than 500 puzzles is sure to keep you entertained for hours. - Exercise Your Brain: Give your mind a great workout as you pit your wits against these number-placement teasers. - Reduce Stress: Feel your stress melt away as you focus on these satisfying puzzles. - Over 500 Puzzles and Solutions: This bumper book of puzzles will provide hours of entertainment.