Most Popular Books
- Sudoku Hard Puzzles: 100 Hard Sudoku Puzzles and Solutions - Perfect for adults: Will be a Sudoku Master
- Sudoku Medium Puzzles : 100 Medium Sudoku Puzzles and Solutions – Medium Level: you will be a Sudoku Master
- Sudoku Easy Puzzles : 100 Easy Sudoku Puzzles and Solutions – Perfect for Beginners: A bargain bonanza for Sudoku lovers
- My Big Book of Sudoku : + 300 Easy to Hard Puzzles: perfect book for Sudoku lovers (with answers)