- Sudoku Varients Puzzle Book: 50 Cross Extreme and 50 Killer Hard Sudoku Puzzles With Solutions
- Hyper Sudoku Puzzle Book: 100 Medium and 100 Hard Hyper Sudoku Puzzles With Solutions
- Medium Sudoku Puzzle Book: 100 Large Print Difficult Sudoku Puzzles For Adults and Seniors With Solutions
- Sudoku For Kids Ages 4-8: Sudoku Christmas Books for Kids, Learn Numbers 1-4 and Grow Logic Skills For Children
- Medium Sudoku Puzzle Book: 100 Large Print Medium Sudoku Puzzles For Adults and Seniors With Solutions























