You'll love Sudoku Puzzle book that is your brain game.You can solve with friend add a fresh challenge to your mental workout, arranged in order of difficulty. You're good enough to be killer sudoku solver.
500 unique sudoku puzzles 4 difficulty Levels - easy, medium, hard, very hard Includes answers for every puzzle Have checklist Emoji Icon. Hours of entertainment for Sudoku Travel Perfect gift for that special someone Are you ready Sudoku Master? Dover Little Activity Books Let's go play Sudoku