Funster Relaxing Puzzle Book for Adults - Large Print Easy Crosswords, Word Search, Sudoku, Word Scrambles, and Mazes!: The fun activity book for adults with a variety of brain games.

Will Shortz Presents Hard Sudoku Volume 6 (Will Shortz Presents Hard Sudoku, 6)

Will Shortz Presents Hard Sudoku Volume 5: 200 Challenging Puzzles

Brain Games - Relax and Solve: Sudoku (Teal)

Sudoku for Kids Ages 8-12: over 200 Fun Sudoku Puzzles with Increasing Difficulty and Solutions |9x9 Grids, Large Print, Made for Children | Levels: Easy, Medium, Hard

Brain Games - 3-In-1: Word Search, Sudoku, Crosswords

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

Brain Games - To Go - Mini Sudoku

Sudoku Large Print With Solutions: 150 Hard to Diabolic Puzzles for Adults & Seniors for Gradually Improving Sudoku Skills, One Per Page (Sudoku Sensei Series)

Sudoku 600 Puzzles Hard to Expert: Ultimate Challenge Collection of Sudoku Problems with Two Levels of Difficulty to Improve your Game