In this book you will find 200 Sudoku Puzzles providing hours of entertainment. - Contains 4 levels of difficulty: Easy, Medium, Hard & Difficult - Contains both instruction and all solutions. "Enhance your cognitive abilities and improve your rehabilitation journey with this Activity Book for Stroke Survivors. Featuring 200 challenging Sudoku puzzles, this book offers quick and effective mental stimulation to help you recover from your stroke and improve your quality of life."