- Sudoku Beginner Volume 1: 200+ Puzzles Easy to Solve - Keep Your Mind Sharp!
- Sudoku Volume 1: 200+ Puzzles Easy, Medium & Hard - Keep Your Mind Sharp!
- Sudoku Volume 2: 200+ Puzzles Easy, Medium & Hard - Keep Your Mind Sharp!
- Sudoku Intermediate Volume 3: 200+ Puzzles Mixture of Easy & Medium to Solve - Keep Your Mind Sharp!
- Sudoku Intermediate Volume 1: 200+ Puzzles Mixture of Easy & Medium to Solve - Keep Your Mind Sharp!










