Sudoku Logic Puzzles. Vol. #2: Four Varieties of Sudoku for Children and Adults

Sudoku is a fabulous brain exercise, comprising a grid with numbers that has to be completed to an exact standard. It can come in very easy formats, or ones which will test your concentration to the limits. In this book you will find four varieties of Sudoku: . Taking Sudoku puzzles to a whole new level, it's a book that is designed for professional puzzlers who are looking for a real challenge. For a great way to exercise your brain and stimulate your powers of concentration, is the book for you.