Brain Games - Sudoku #1 by Publications International Ltd.
Sudoku Book 800 Medium Puzzles: Sudoku Puzzle Book With Only One Level of Difficulty (Sudoku Book Series): Book, Sudoku: 9781543014655: Amazon.com: Books
Brain Games - Sudoku #1 by Publications International Ltd.
Brain Games - Large Print... by Publications International Ltd.
White Belt Sudoku® (Martial Arts Puzzles... by Rios, Michael
Black Belt Sudoku® (Martial Arts Puzzles Series): Rios, Michael: 9781402735981: Amazon.com: Books
Brain Games - Large Print... by Publications International Ltd.