- Pocket Sudoku 150+ Puzzles: Medium Level with Solutions - Vol. 10
- Pocket Sudoku 150+ Puzzles: Easy Level with Solutions - Vol. 1
- Pocket Sudoku 150+ Puzzles: Very Easy Level with Solutions - Vol. 8
- Pocket Sudoku 150+ Puzzles: Easy Level with Solutions - Vol. 8
- Pocket Sudoku 150+ Puzzles: Hard Level with Solutions - Vol. 12






























