- Sudoku Puzzle Book, 500 Medium Puzzles: Single Difficulty Level for No Wasted Puzzles
- Sudoku Puzzle Book, 1,000 Puzzles, 500 HARD and 500 EXTRA HARD: Improve Your Game With This Two Level BARGAIN SIZE Book
- Sudoku Puzzle Book, 800 Medium Puzzles: Single Difficulty Level for No Wasted Puzzles
- 500+ Hard Sudoku Puzzles for Adults: Sudoku Puzzle Books Hard (with answers)
- Over 500 Sudoku Puzzles Easy: Sudoku Puzzle Book Easy (with Answers)