Sudoku : Sirius Entertainment : 9781398818682 : 1398818682 : 01 Sep 2022 : Sudokus are the ever-popular number placements puzzles that give your brain a workout. Spanning a number of difficulty levels, this collection of over 200 sudoku puzzles comes in an elegantly designed package with an elastic strap, making it the perfect gift for yourself or others. ? EXERCISE YOUR BRAIN: Give your mind a great workout as you pit your wits against these number-placement teasers. ? REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles. ? GIFT EDITION: Designed with a stylish cover, this collection would make a brilliant gift for all puzzle-lovers. This gorgeous edition features an elastic strap and flaps. Makes a lovely gift. Arcturus Publishing has sold over 7 million copies of Sudoku books!