Brain Games - Large Print Sudoku (Swirls)

Sudoku Puzzle Book for Adults: 1000+ Medium Level Puzzles with Solutions - Vol 1

Sharp Minds for Seniors: The Ultimate Puzzle Book for Retirees to Boost Memory, Increase Cognitive Abilities and Have Fun with Brain Games and Activities (The Perfect Gift)

Brain Games - Large Print Sudoku (Orange)

1,000++ MEDIUM Sudoku Puzzles Book: Top Quality Paper, Best Puzzles, Free Bonus! (Sodoku Puzzle Books for Adults)

Very Easy Sudoku Puzzle Book For Beginners: 250 beginner level Sudoku puzzles. If you are new to Sudoku, you will also learn basics and simple Sudoku strategy in this book. (Beginner Sudoku)

X-Treme Sudoku

Funster Healthy Brain Activity Book - Large Print Easy Puzzles for Adults: 100+ Puzzles: Word Search, Sudoku, Crosswords, and much more

Brain Games - To Go - Sudoku Puzzles (Chalkboard): Boost Your Brainpower in Minutes

Will Shortz Presents Hard Sudoku Volume 1: 200 Challenging Puzzles