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

The Ultimate Activity Book for Intelligent Men: Tricky Brain Teasers, Mind Games and Logic Puzzle Book for Adults (Perfect Gift for Men)

Sudoku Book for Adults and Seniors with 3 Levels of Difficulty: 402 Puzzles & Solutions, Easy to Hard (The Perfect Gift for Puzzle Lovers) (Gifts for Men & Women)

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)

Brain Games - Large Print Sudoku Puzzles (Green)

Brain Games - Sudoku #1

Brain Games - Sudoku Large Print (Red) (Brain Games Large Print)

Memory Games for Seniors: A Large Print XXL Puzzle Activity Book with 501 Exciting and Funny Brain Exercises to Increase Cognitive Abilities [The Smart Senior Adult's Gift]

Large Print Sudoku Puzzles: Over 300 Puzzles for Adults - Include Spiral Bound / Lay Flat Design and Large Print Puzzles (Brain Busters)

Variety Puzzle Book For Adults: 90+ Large-Print Puzzles Word Search, Sudoku, Word Scramble, Number Search, Trivia, Mazes