** A MUST-HAVE FOR ALL SUDOKU LOVERS.Sharpen your mind and have fun with this collection of 680 Sudoku puzzles! * Great for ALL LEVELS: beginner to expert * FOUR DIFFICULTIES: Easy, Medium, Hard, Hard * BIGGER PRINT than most newspapers * WIDE INNER MARGINS so you can easily tear pages out * A GREAT GIFT for any occasion!Whether you start at the beginning or jump around, be prepared for a good challenge and hours of addicting fun! ** SCROLL UP AND CLICK BUY NOW!