Ultimate Puzzle Challenge!: 125+ Brain Puzzles for Kids, Hidden Pictures, Mazes, Sudoku, Word Searches, Logic Puzzles and More, Kids Activity Book for Super Solvers (Highlights Jumbo Books & Pads)

1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

Brain Games - To Go - Sudoku

Brain Games - 3-In-1: Word Search, Crosswords & Sudoku (256 Pages)

The Ultimate Brain Health Puzzle Book for Adults: Crosswords, Sudoku, Cryptograms, Word Searches, and More! (Ultimate Brain Health Puzzle Books)

Big Book of Sudoku: Over 500 Puzzles & Solutions, Easy to Hard Puzzles for Adults (Brain Busters)

The Ultimate Fun Adult Activity Book: Logic Puzzles, Sudoku, Mazes, Word Searches, Crosswords, Acrostics, Coloring, and More!

Sudoku Book for Adults - Large Print: Sudoku Puzzle Book with Solutions - The Perfect Challenge for All Skill Levels

Relaxing Brain Games for Adults: 100+ Logic, Math, and Word Puzzles to Help You Unwind

The Ultimate Book of Mixed Puzzles: More than 450 Puzzles for Adults Including Word Searches, Crosswords, Sudoku, Mazes and More! (Part of the Brain Busters Puzzle Collection)