Home / Sudoko Puzzles / Sudoko Hard Sudoko Hard Showing all 4 results Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sudoku Large Print (Medium to Hard) $21.97 Go to Product Extra Large Print Sudoku Puzzle Book for Adults $13.19 Go to Product 1000 Sudoku Puzzles for Adults (Easy to Hard) $9.84 Go to Product Large Print Sudoku Puzzle Book for Adult (Hard) $14.30 Go to Product