Amazon has Big Book of Sudoku for ONLY $3.42 (Reg. $8) with free shipping on your first order.
You don’t need to be a math whiz to enjoy a great sudoku puzzle! Sharpen your mind and have some fun with this great collection of sudokus, including over 540 challenges across four difficulty levels (Warm-Up, Challenging, Tough, and the ultimate Samurai Sudoku!) A must-have for all Sudoku enthusiasts.