- Sudoku With Over 300 Puzzles: Answers at the Back - Very Easy, Easy and Medium Levels for Adults - Volume 4
- Sudoku With Answers: Value Book - More Than 2000 Puzzles – Hard, Very Hard and Extreme - Volume 2
- Sudoku With Answers: Value Book - More Than 2000 Puzzles - Very Easy, Easy and Medium - Volume 2
- Sudoku With Over 500 Puzzles: Sudoku with Answers at the Back - Hard, Very Hard and Extreme Levels - For Adults - Volume 2
- Sudoku Large Print 101: Hard to Extreme Levels – More Than 100 Puzzles - Large Type – With Answers - Volume 1





























