Sudokus are the ever-popular number placements puzzles that give your brain a great workout. Spanning a number of difficulty levels, this collection comes in an elegantly designed package with a textured cover and gold foil accents, making it the perfect gift for any puzzle lover. Each puzzle is graded, from beginner to expert, so you can enjoy the satisfaction of seeing your skill improve as you work through the levels. Give your mind a great workout as you find where each missing number fits. Feel your stress melt away as you focus on these satisfying puzzles.