Funster Tons of Sudoku 1,000+ Easy to Hard Puzzles: A bargain bonanza for Sudoku lovers

Funster 1,000+ Sudoku Puzzles Easy to Hard: Sudoku puzzle book for adults

The Must Have 2020 Sudoku Puzzle Book: 366 daily sudoku puzzles for the 2020 leap year. 5 levels of difficulty (easy to hard)

The 125 Best Brain Teasers of All Time: A Mind-Blowing Challenge of Math, Logic, and Wordplay

Brain Games - Relax and Solve: Sudoku (Purple)

Sudoku Puzzle Book, 600 Puzzles, 300 MEDIUM and 300 HARD: Improve Your Game With This Two Level Book (Sudoku Puzzle Books Champion Series)

Funster 500+ Sudoku Puzzles: Easy, Medium, Hard Sudoku Puzzle Book

Brain Games - Large Print Sudoku Puzzles (Green)

Sudoku Large Print 101 Puzzles Easy to Hard: One Puzzle Per Page - Easy, Medium, and Hard Large Print Puzzle Book For Adults (Puzzles & Games for Adults)

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

Funster Activity Book for Adults - Word Search, Sudoku, Crosswords: 100+ Large-Print Easy Puzzles