Suduko is a great way to exercise your brain and reduce cognitive decline. This pocket size Sudoku puzzle book is perfect for anyone to get play sudoku on the move. There are answers at the back of the activity book to help out. With 100 sudoku puzzles, your mind will be sharper than ever. This handy compact size means you can easily take your puzzle book on the plane, train, in the car - wherever you go! There’s plenty here for your entire holiday. A5 size: 5.83 x 8.27 inches (14.8 x 21 cm) - Matte cover - 1 puzzle per page - Great for senior citizens, kids and adults - 100 sudoku puzzles - Instructions and solutions provided