Have Fun While Keeping the Brain Fit and Active A comfortably sized book (8 x 10 inches) with 100 Sudoku's. Develop logic and reasoning skills, while improving your memory. The best bit, is that you can use this book anywhere - on the beach, the commute to work, or lazy Sunday mornings in bed. The large print makes it super easy for both youngsters and seniors to enjoy the puzzles. Great as a gift for Sudoku experts looking for more challenging puzzles.
