- Sudoku Large Print Easy: Large Print Sudoku Puzzle Book For Adults & Seniors With 120 Easy Sudoku Puzzles - Volume 3
- Sudoku Medium - Hard: Sudoku Puzzle Book With 320 Medium To Hard Sudoku Puzzles For Adults
- Sudoku Hard: Sudoku Puzzle Book With 320 Hard Sudoku Puzzles For Adults
- Sudoku Hard - Extreme: Sudoku Puzzle Book With 320 Hard To Expert Sudoku Puzzles For Adults
- Sudoku Large Print Easy: Large Print Sudoku Puzzle Book For Adults & Seniors With 120 Easy Sudoku Puzzles - Volume 2