Bonilla, Mike Large Print Sudoku Puzzle Book for Adults: 400 Full-Size Puzzles Progressive Difficulty from Very Easy to Hard 8.5x11 inches, 400 Pages Brain Games for Travel, Seniors, and All Ages

Evergreen, Lois Sudoku Puzzle Book for Adults: 1000+ Puzzles (Easy • Medium • Hard) – Vol 2: Large 8.5×11 format • Progressive difficulty • Answer key at the back • Brain-boosting logic fun

Everbright Horizons Press Sudoku For Adults: Large Print Sudoku Puzzle Book For Adults With Easy, Medium & Hard Difficulty. Perfect For Beginners & Seniors.

Everbright Horizons Press Sudoku For Adults: Large Print Sudoku Puzzle Book For Adults With Easy, Medium & Hard Difficulty. Perfect For Beginners & Seniors.

Publishing, LAM Sudoku Book for Adults with 4 Levels of Difficulty: 400 Puzzles With Solutions Easy to Expert Grids Boost Brainpower, Focus & Stress Relief 6x9 Inch Size (Travel Sized Sudoku Challenge)

Bonilla, Mike big & easy crosswords puzzle book: 295 Brain Games for Seniors, Adults & Kids Large Print Edition 8.5 x 11 Inch, 590 Pages Hours of Screen-Free Entertainment

SIVA GANESH, MUGADA Huge Book of Large Print Sudoku Puzzles: for Adults, Teens, & Seniors, More Than 500 Puzzles & solutions, with 4 Levels of Difficulty Easy, Medium, Hard, & Expert