sudoku hard best sellers

#1 1000 Sudoku Puzzles 1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

$6.99 on Amazon

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

$9.29 on Amazon

#3 Sudoku Puzzles For Adults Sudoku Puzzles For Adults: Easy, Medium, Hard Large Print Sudoku Games. For Adults, Seniors And Teens, From Beginner To Advanced.

$3.99 on Amazon

#4 1000 Sudoku Puzzles 1000+ Sudoku Puzzles for Adults: Medium to Hard Sudoku Puzzles with Detailed Step-by-step Solutions and Hints When You Get Stuck (BRAIN BOOST & RELAX)

$13.63 on Amazon

#5 Sudoku Badass Hard to Sudoku Badass Hard to Extreme Puzzle Book for Adults & Seniors: Large Print with Solutions, One per Page

$4.97 on Amazon

#6 Sudoku for Kids Ages Sudoku for Kids Ages 6-8: over 300 Sudoku Puzzles with Increasing Difficulty and Solutions |4x4 6x6 9x9 Grids, Large Print, Made for Children and Beginners | Levels: Easy, Medium, Hard

$5.99 on Amazon

#7 🔥 🆕 Logic Trek Sudoku Book Logic Trek - Sudoku Book for Adults Large Print: Easy, Medium, and Hard Sudoku Puzzle Book for Adults, Teens, and Seniors of All Skill Levels with Full Solutions

$5.99 on Amazon

#8 Big Sudoku Book for Adults Big Sudoku Book for Adults - Easy to Hard: Large Print Sudoku Puzzles with Detailed Step-by-step Solutions and Hints When You Get Stuck (BRAIN BOOST & RELAX)

$3.84 on Amazon

#9 1000 Sudoku Puzzles 1000+ Sudoku Puzzles for Adults: Over 1000 Medium to Hard Puzzles with Detailed Solutions

$11.99 on Amazon

#10 Sudoku for Kids Ages Sudoku for Kids Ages 6-8: 500+ Easy to Hard Puzzles for Smart Children and Beginners with Solutions Included - Large Print (Brain Activity books for Boys and Girls)

$6.97 on Amazon

#11 Sudoku Puzzle Book for Sudoku Puzzle Book for Adults – Hard to Very Hard Level with Full Solutions, Vol.# 3: 600+ Puzzles to Improve Your Sudoku Skills | Easy-to-Read Print | Perfect for Adults, Seniors, and Teens

$9.99 on Amazon

#12 🔥 Hard Sudoku Puzzles For Hard Sudoku Puzzles For Adults: Large Print Two Puzzles Per Page (Vol 1)

$5.95 on Amazon

#13 Will Shortz Presents Will Shortz Presents Hard Sudoku, Volume 7 (Will Shortz Presents, 7)

$7.48 on Amazon

#14 The Super Sudoku Book The Super Sudoku Book For Smart Kids: A Collection Of Over 200 Sudoku Puzzles Including 4x4's, 6x6's, 8x8's, and 9x9's That Range In Difficulty From Easy To Hard!

$8.95 on Amazon

#15 16 x 16 Sudoku Vol. 16 x 16 Sudoku: Vol. 4: 200 Medium & Hard Puzzles, Numbers 1-16 Grid Size, Solutions Included, Book 4 of 5

$7.95 on Amazon

#16 1000 Sudoku Puzzles 1000+ Sudoku Puzzles for Adults: From Medium to Hard with Full Solutions

$6.99 on Amazon

#17 🔥 Sudoku Puzzles for Adults Sudoku Puzzles for Adults Large Print Hard to Expert: Sudoku Book for Adults and Seniors with Giant Grids and Different Levels of Difficulty to Keep the Brain Active and Young

$6.49 on Amazon

#18 Easter Basket Stuffers Easter Basket Stuffers for Adults: Sudoku Puzzles Book Includes 120 Sudoku Puzzles of 4 Difficulty Levels From Easy to Very Hard With Full Solutions | ... Gift Baskets for Adults (Easter Adults Gifts)

$6.99 on Amazon

#19 Sudoku Puzzles for Adults Sudoku Puzzles for Adults: A Book with Two Puzzles per Page From Easy to Hard with Full Solutions (Puzzling Wonders Fun!)

$11.41 on Amazon

#20 Pocket Sudoku that is Pocket Sudoku that is Portable: 200 puzzles Medium to Hard w/ Solutions - 4" by 6" is Small Enough to Enjoy Anytime, Anywhere!

$6.15 on Amazon