150 Medium Trios Sudoku variation & variants with answers: Taking regular Suduko puzzles to the next level - brain training puzzles Vol 1 in a handy, pocket sized book in LARGE PRINT: Birch, Kevin, Addicts, Puzzle: 9798638375645: Amazon.com: Books
Brain Games - To Go - Sudoku Puzzles: Publications International Ltd., Brain Games: 9781645582113: Amazon.com: Books
The Gigantic Sudoku Puzzle Book. 1500 Puzzles. Easy through Challenging to Nail Biting and Torturous. Largest Printed Sudoku Puzzle Book ever. All puzzles are guaranteed to have only ONE SOLUTION!: Bloom, Jonathan:
Twin Sudoku: 100 each Medium and Hard Twin Sudoku puzzles (Strictly Sudoku): Briggs, Bob: 9798357864420: Amazon.com: Books
16 X 16 Monster Wordoku: 125 New Cranium-Crushing, Monstrously Humongous Wordoku Puzzles from Hell: Virzi, Frank: 9781463748197: Amazon.com: Books
Sudoku Twins Puzzle Book: 200 Puzzles With Solutions for Adults, Seniors and Teens : Artist, Dream: Amazon.sg: Books
Brain Games - Brain Workout: Sudoku: 9781645580683: Publications International Ltd., Brain Games: Books - Amazon.com
The Gigantic Sudoku Puzzle Book. 1500 Puzzles. Easy through Challenging to Nail Biting and Torturous. Largest Printed Sudoku Puzzle Book ever. All puzzles are guaranteed to have only ONE SOLUTION!: Bloom, Jonathan:
Learn to Play Sudoku eBook : Klein, David: Kindle Store - Amazon.com
Sudoku Twins: 300 Sudoku Twins Alphabet Letters, Medium Difficulty, with Solutions: Shark Brain: 9781794806788: Amazon.com: Books