
Puzzle and Game Books
Ultimate Sudoku Challenge For Adults: Sharpen Your Mind and Enjoy Hours of Fun with 400 Easy to Hard Sudoku Puzzles
by Eliza Keeler
400 mind-bending Sudoku puzzles ranging from easy to expert, with large print for easy readability and solutions included for every puzzle — hours of entertainment while sharpening logic and concentration.
$12.99
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ASIN: B0GVZBMFWX
Prices may vary from Amazon. Amazon’s listing shows the most current price.
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Interior preview
Explore the sample pages below to see the book's layout and content.
Look Inside: Sample Pages




Sample pages from the Revised & Expanded Second Edition.
Fun facts & extras
- 1A variety of difficulty levels: Easy, Medium, and Hard.
- 2Large print puzzles with solutions included for every one.
Amazon Reviews
Sudoku Fun
"Big fan of sudoku and this one did not disappoint. Loads of fun and complexity."
bashley
Reviewed in the United States on June 18, 2026 · Format: Paperback
Brain challeneger
"Great for passing time and wanting to work your brain."
S C
Reviewed in the United States on June 15, 2026 · Format: Paperback
Liked this little book
"Love me some sudokus. I really liked this book, however I think it would have been also great to have some different variations like killers or something like that. Anyway I had a great time solving them."
Alas poor Yunis!
Reviewed in the United States on June 19, 2026 · Format: Paperback


