Brain Games - Sudoku Puzzles (A Fun and Brainy Puzzle Workout)

Puzzles help you relax and refocus, as well maintain good mental fitness.More than 160 sudoku puzzles.Puzzles are organized into five difficulty levels, from novice to expert.Large print puzzle gridsSpiral binding and complete answer key make this book easy to carry, solve, and check your answers.192 pagesBrain Games Sudoku is perfect for those who love a logic challenge.