- Sudoku With Over 1000 Puzzles: Answers at the Back - Very Easy, Easy and Medium for Adults - Value Edition - Volume 1
- Sudoku With Answers: Value Book - More Than 2000 Puzzles - Very Easy, Easy and Medium - Volume 1
- Sudoku With Over 300 Puzzles: Answers at the Back - Very Easy, Easy and Medium Levels for Adults - Volume 1
- Senior Sudoku With Over 200 Puzzles: Large Type - Especially for Seniors - With Answers – Hard, Very Hard and Extreme - Volume 1
- Sudoku With Over 1000 Puzzles: Answers at the Back - Hard, Very Hard and Extreme Levels - For Adults - Value Edition - Volume 2






























