- Twisted Mind Sudoku Puzzle Book, 600 Mind Twisting Puzzles: 300 Hard and 300 Extra Hard with Solutions
- Sudoku Puzzle Book, 1,500 Hard Mind Twisting Puzzles: Jumbo Size Book One Level of Difficulty with No Wasted Puzzles
- Sudoku Puzzle Book, 1,500 Easy Mind Twisting Puzzles: Jumbo Size Book One Level of Difficulty with No Wasted Puzzles
- Twisted Mind Sudoku Puzzle Book, 400 Super Size Mind Twisting Puzzles, 200 Easy and 200 Medium: One Gigantic Puzzle Per Letter Size Page
- Twisted Mind Sudoku Puzzle Book, 400 Easy Super Size Mind Twisting Puzzles: One Gigantic Puzzle Per Letter Size Page





























