Brain Games Sudoku Puzzles (Arrow Red)

Brain Games Sudoku Puzzles is packed with more than 160 fun, challenging sudoku puzzles specially designed to give you a mental workout.- Sudoku puzzles help you relax, focus, and maintain good mental fitness by building your logic and problem-solving skills, - Features 162 sudoku puzzles in 5 difficulty levels. - Answer key is found in the back of the book. - Spiral bound, 192 pages.