[4Pce] Sudoku Puzzle Book 160 Pages (21 30Cm)

You don't need to be a math whiz to enjoy an excellent sudoku puzzle! Sharpen your mind and have some fun with this great collection of sudokus including over 640 challenges across four difficulty levels (Warm-Up Challenging Tough and the ultimate Samurai Sudoku!) A must-have for all Sudoku enthusiasts!

• Standard A4 sized book • Easy to read large print • 160 puzzles per book • 4 assorted designs • From easy to very hard