Shaun Waller

• 300 Medium Sudoku Puzzle Book - 2018
• 300 Medium to Hard Sudoku Puzzle Book 2018
• Frequent Bond
• 300 Easy Sudoku Puzzle Book - 2018
• 300 Easy to Hard Sudoku Puzzle Book
• 300 Easy to Hard Sudoku Puzzle Book 2018
• 300 Easy to Hard Sudoku Puzzle Book 2019
• 300 Hard Sudoku Puzzle Book - 2018
• 300 Medium Sudoku Puzzle Book
• 300 Medium Sudoku Puzzle Book 2019
• 300 Medium to Hard Sudoku Puzzle Book 2019
• Easy to Medium 300 Sudoku Puzzle Book - 2018