The Great Book Of Sudoku Over 500 Puzzles

<p>Here''s a real treat for all fans of the number-placement puzzle sudoku: a collection of more than 500 grids arranged by level of difficulty. Sudokus are fun and satisfying to solve, and give our brains a good workout too. This compilation will satisfy even the most ardent enthusiast, and the beginner can enjoy the pleasure of working up through the levels as their solving skills improve.<br><br> &bull; <b>OVER 500 PUZZLES AND SOLUTIONS</b>: This bumper book of puzzles will provide many hours of entertainment. <br> &bull; <b>EXERCISE YOUR BRAIN</b>: These number placement puzzles will be sure to give your brain a stimulating workout.<br> &bull; <b>IMPROVE YOUR SKILL</b>: Enjoy the satisfaction of seeing your ability to solve the puzzles improve as you work through the five levels from beginner to expert.</p>