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Medium Sudoku Puzzle Book: 432 Medium Sudoku... by Snider, Stan
Sudoku for Kids 9-12: 200 Fun Sudokus for... by Kampelmann
Father's Day Sudoku: 200 brand-new sudoku puzzles in easy, medium & hard: Media, Clarity: 9781508446354: Amazon.com: Books
Sudoku for Brain Fitness: 90-Day Challenge to Sharpen the Mind and Strengthen Cognitive Skills (Brain Fitness Puzzle Games): Clontz, Steven, Demyanovich, Julie: 9780593689813: Amazon.com: Books
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Amazon.com: 1200+ Sudoku Puzzle Book Vol.3: Medium Level Puzzle Book for Adults With Solutions: 9798834501602: Weisman, Ricardo
Large Print Sudoku: Blindauer, Patrick: 9781402773532: Amazon.com: Books
Sudoku Large Print: 100 Sudoku Puzzles with Very Hard Level - One Puzzle Per Page with Solutions (Brain Games Book 6): Maker, Brainstorm: 9798627034652: Amazon.com: Books
Amazon.com: Kappa Sudoku Puzzles Book - 8" x 5" Digest Size 2 Titles, Brain Workout Number Match, Easy to Hard for Training Learning with Game, 2-Pack : Everything Else