Puzzle Book, Sudoku Collection Medium to Hard

All puzzles in this book have been designed in large print with high contrast, which makes them perfect for all ages, including the visually impaired. Answers are well arranged at the back of the book just in case you're stuck on the way!Relieve boredom and stress by playing Sudoku. With two levels of difficulty this Sudoku. Puzzle Book will soon improve your game. There are one puzzles per page and solutions are at the end of the book.- Sudoku puzzles are a proven method for keeping the mind healthy and combating Alzheimer's and Dementia!- Solutions are given at the end of the book- All puzzles in this volume are new, previously unpublished- Great fun for the whole family!- Perfect gift for that special someone!