Pretty Pocket Sudoku Book Hard Vintage Ocean

Small book. Serious challenge. The Pretty Pocket Sudoku – Hard Edition is designed for solvers who crave a deeper logic workout while keeping their puzzles wrapped in beauty and calm. Featuring a dreamy vintage undersea cover, this compact 4×6 pocket-size book brings oceanic mystery and depth to your everyday puzzle ritual. Inside are 100 hard Sudoku puzzles, each printed in clear, large type and placed on its own page for maximum focus. The layout stays clean and uncluttered, even when the challenge intensifies, making it perfect for concentrated solving anywhere you go. Ideal for travel, cafés, waiting rooms, or quiet evenings, this tiny book proves that big thinking doesn't need a big format. 🌊

Size: 6.0 x 4.0 x 0.3 inches