Sign-In
Cart
Insane Sudoku: 100 Extremely Difficult and Challenging Sudoku Puzzles Expertly Created for Serious and Professional Sudoku Fans (Large Print Edition)
Paperback
Series: Super Hard Sudoku Puzzle Books
Publisher: Independently Published
Published: Nov 28 2020
Pages: 124
Weight: 0.67
Height: 0.26 Width: 8.50 Depth: 11.02
Language: English
- 100 new 9x9 insane level Sudoku puzzles
- Less than 25 pre-filled numbers per puzzle
- Quality paper and premium matte cover
- Large Print edition with plenty of space to work with
- Solutions key at the back pages
Also in
Logic & Brain Teasers
The Ministry of Quizzes: The Ultimate Compendium for Puzzlers and Quiz Solvers
Gentle, David
Paperback
Big Quiz Book 2: 1001 Brain Busting Trivia Questions (National Geographic Kids)
National Geographic Kids
Paperback
The Official Sherlock Puzzle Book: Are You as Smart as Sherlock Holmes? (Sherlock Holmes Puzzle, Detective Gifts, Mystery Gifts)
Tribe, Steve
Maslanka, Chris
Paperback
Murdle: Volume 1: 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction
Karber, G. T.
Paperback
The Killer Isn't Alice: The Bestselling Murder Mystery Puzzle Book - 46,600 Suspects, 1 Killer. Can You Solve the Crime?
Starling, Iris
Paperback
Murdle: Volume 2: 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction
Karber, G. T.
Paperback
The Official Clue Book of Puzzles: Test Your Detective Skills with Over 80 Perplexing Puzzles
Moore, Gareth
Ayres, Laura Jayne
Paperback
Puzzle Mania!: Wordle, Connections, Spelling Bee, Minis and More!
New York Times Games, The
Fagliano, Joel
Hardcover
Murdle: Volume 3: 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction
Karber, G. T.
Paperback
Minute Cryptic: Over 160 Wordplay Puzzles to Decipher, Unlock, and Untangle
Tiernan, Angas
Runnalls, Liam
Paperback
The Ultimate Brain Health Puzzle Book for Adults: Crosswords, Sudoku, Cryptograms, Word Searches, and More!
Fraas, Phil
Paperback
Garden Lover's Puzzle Book: Packed with Quizzes, Puzzles, and Trivia for Garden Enthusiasts
Books, Michael O'Mara
Paperback
The Ultimate Fun Adult Activity Book: Logic Puzzles, Sudoku, Mazes, Word Searches, Crosswords, Acrostics, Coloring, and More!
Demyanovich, Julie
Paperback
Brain Games - Criminal Mind Puzzles: Crime-Themed Brain Teasers Visual, Verbal, Memory & Logic Puzzles Spiral Bound Activity Book for Adults & Teens
Publications International Ltd
Brain Games
Paperback
Connections: Find the Common Threads in 100+ Puzzles of Wit and Wordplay
The New York Times Games
Liu, Wyna
Hardcover
Brain Games - Large Print Bible Word Search: Psalms (Large Print Edition)
Brain Games
Publications International Ltd
Paperback
Puzzles & Perils: The Crystal Quest: A Novel in 100 Fantastical Puzzles
Moore, Gareth
Ayres, Laura Jayne
Paperback
Relaxing Brain Games for Adults: 100+ Logic, Math, and Word Puzzles to Help You Unwind
Callisto Publishing
Paperback
Brain Games - Word Searches - Large Print: Easy on the Eyes, Not on the Brain Puzzles Progress from Simple to Challenging Gift for Adults & Seniors (Large Print Edition)
Publications International Ltd
Brain Games
Paperback
Bird Lover's Puzzle Book: Packed with Quizzes, Puzzles, and Trivia for Bird Enthusiasts
Books, Michael O'Mara
Paperback
Parlor Games for Friends and Family: 130 Games of Offline Fun
Tsintziras, Spiri
Jones, Myfanwy
Paperback
Would You Rather - Campfire Edition: 300+ Wild and Funny Questions for Camping Nights and Outdoor Adventures
Special Art
Paperback
Brain Games - Merriam-Webster's Variety Puzzles Large Print: Anagrams, Crosswords, Cryptograms, Word Searches, and More!
Publications International Ltd
Brain Games
Paperback
Bordergrams: A Quest for the Queen: 80 Epic Fantasy Connection Puzzles from the Bestselling Author of Murdle
Donohue, Daniel
Messerschmidt, Dani
Karber, G. T.
Paperback
Brain Games - Large Print Word Search: Unwind and Test Your Problem-Solving Skills Easy to Read, Fun to Solve Gift for Adults & Seniors (Large Print Edition)
Publications International Ltd
Brain Games
Paperback
The New York Times Seriously Hard Crossword Puzzles: 200 Challenging Puzzles
New York Times
Paperback
The New York Times Take It with You Monday Crosswords: 200 Easy Removable Puzzles
New York Times
Paperback
Brain Games - Sticker by Number: Flowers & Nature Stained Glass (28 Images to Sticker)
New Seasons
Publications International Ltd
Brain Games
Paperback
New York Times Games Get Better as You Go: 200 Easy to Hard Crossword Puzzles
New York Times
Paperback
Brain Games - Relax and Solve: Word Search Puzzles (Pattern Cover)
Publications International Ltd
Brain Games
Paperback
Brain Games - Calm: Word Search Puzzles - Large Print
Publications International Ltd
Brain Games
Paperback
399 Games, Puzzles & Trivia Challenges Specially Designed to Keep Your Brain Young
Linde, Nancy
Paperback
Meowdle: 75 Feline Crime Puzzles to Solve Using Logic, Skill and the Power of Catnip
Ayres, Laura Jayne
Moore, Gareth
Paperback
The Official Agatha Christie Puzzle Book: Put Your Detective Skills to the Ultimate Test
Agatha Christie Ltd, Agatha Christie
Paperback
500 Puzzles for Wordle Lovers: Sharpen Your Skills with Fun, Challenging Brain Teasers!
Carlile, Rick
Paperback
299 On-The-Go Games & Puzzles to Keep Your Brain Young: Minutes a Day to Mental Fitness
Linde, Nancy
Paperback
Brain Games - Relax and Solve: Sudoku (Pattern Cover)
Publications International Ltd
Brain Games
Paperback
200 Stress-Relieving Sudoku Puzzles to Sharpen Your Mind: Presented by Maria Shriver, Patrick Schwarzenegger, and Mosh
Mosh
Shriver, Maria
Schwarzenegger, Patrick
Hardcover
Brain Games - To Go - Sudoku Puzzles: More Than 200 Sudoku Puzzles! (Purple)
Brain Games
Publications International Ltd
Paperback
New York Times Crossword Puzzle 2025: Crossword Puzzle Book for Adults, Seniors, Men And Women With Full Solutions
Morris, Jerry R.
Paperback
Brain Games - Bible Word Search (Large Print Edition)
Brain Games
Publications International Ltd
Paperback
New York Times Games Celebration Mini Crosswords: 150 Easy Fun-Sized Puzzles
New York Times
Fagliano, Joel
Paperback
The New York Times Best of the Week Series: Tuesday Crosswords: 50 Easy Puzzles
New York Times
Paperback
Brain Games - Relax and Solve: Crossword Puzzles (Pattern Cover)
Brain Games
Publications International Ltd
Paperback
Murder Most Puzzling Peril at Quandary Park: A Mysterious Case to Solve
Von Reiswitz, Stephanie
Hardcover
440 Games, Puzzles & Brain Boosters Specially Designed to Keep Your Mind Sharp
Linde, Nancy
Paperback
100 Stress-Relieving Word Search Puzzles to Sharpen Your Mind: Presented by Maria Shriver, Patrick Schwarzenegger, and Mosh
Mosh
Shriver, Maria
Schwarzenegger, Patrick
Hardcover
Brain Games - Large Print Sudoku: Unwind and Test Your Problem-Solving Skills Easy to Read, Fun to Solve Gift for Adults & Seniors (Large Print Edition)
Publications International Ltd
Brain Games
Paperback
So You Think You Know Football?: The Armchair Ref's Guide to the Official Rules
Austro, Ben
Paperback
Brain Games - Large Print Word Search (Large Print Edition)
Publications International Ltd
Brain Games
Paperback
New York Times Games Strictly Medium Crossword Puzzles Volume 3: 200 Medium Puzzles
New York Times
Paperback
Purrdle: 75 More Feline Crime Puzzles to Solve Using Logic, Skill & the Power of Catnaps
Ayres, Laura Jayne
Moore, Gareth
Paperback
50 Math Tricks That Will Change Your Life: Mentally Solve the Impossible in Seconds
Zakowich, Tanya
Paperback
The Total Brain Workout: 450 Puzzles to Sharpen Your Mind, Improve Your Memory & Keep Your Brain Fit
Danesi, Marcel
Paperback
Brain Games - To Go - Forensic Puzzles: Investigate Crime Puzzles - Match DNA and Fingerprints - Decode Clues - Figure Out Who Done It
Publications International Ltd
Brain Games
Paperback
Will Shortz Presents the Super Book of Serious Sudoku: 300 Challenging Puzzles
Shortz, Will
Paperback
The New York Times Blooming Book of Mini Crosswords: 150 Easy Fun-Sized Puzzles
Fagliano, Joel
New York Times
Paperback
The New York Times Best of the Week Series: Wednesday Crosswords: 50 Medium-Level Puzzles
New York Times
Paperback
The New York Times Take It with You Wednesday Crosswords: 200 Medium Removable Puzzles
New York Times
Paperback
Adult Activity Book: An Adult Activity Book Featuring Coloring, Sudoku, Word Search And Dot-To-Dot
Adult Activity Book
Paperback
Brain Games - To Go - Stress Free: Sudoku Puzzles
Publications International Ltd
Brain Games
Paperback
Woofdle: 75 Canine Crime Puzzles to Solve Using Logic, Skill & the Power of Walkies
Moore, Gareth
Ayres, Laura Jayne
Paperback
Brain Games - USA Word Search Puzzles (#5): Volume 5
Publications International Ltd
Brain Games
Paperback
The New York Times Take It with You Thursday Crosswords: 200 Medium Removable Puzzles
New York Times
Paperback
The New York Times Take It with You Tuesday Crosswords: 200 Easy Removable Puzzles
New York Times
Paperback
Brain Games - To Go - Mini Sudoku: Quick and Easy Puzzles
Publications International Ltd
Brain Games
Paperback
Tricky Logic Puzzles for Adults: 130+ Difficult Puzzles to Challenge Your Brain
Clontz, Steven
Paperback
Brain Games - Unusual Knowledge Word Search Puzzles: With Trivia & Facts Science, History & Pop Culture Spiral Bound Activity Book Gift for Adults, Se
Publications International Ltd
Brain Games
Paperback
Word Search For Adults: Large Print Word Search Puzzles For Seniors, Adults and Teens. Themed Word Find Adult Activity Book
Puzzleplay Press
Paperback
Brain Games - 2 Books in 1 - Sudoku (Large Print Edition)
Publications International Ltd
Brain Games
Paperback
200 Stress-Relieving Sudoku Puzzles to Sharpen Your Mind: Presented by Maria Shriver, Patrick Schwarzenegger, and Mosh
Mosh
Shriver, Maria
Schwarzenegger, Patrick
Paperback
Would You Rather Book For Kids - 300+ Hilarious, Silly, and Challenging Questions To Make You Laugh
Ellis, Stephen J.
Paperback
Brain Games - Word Searches - Large Print (Purple) (Large Print Edition)
Publications International Ltd
Brain Games
Paperback
100 Stress-Relieving Crossword Puzzles to Sharpen Your Mind: Presented by Maria Shriver, Patrick Schwarzenegger, and Mosh (Revised and Updated)
Mosh
Shriver, Maria
Schwarzenegger, Patrick
Paperback
100 Stress-Relieving Word Search Puzzles to Sharpen Your Mind: Presented by Maria Shriver, Patrick Schwarzenegger, and Mosh
Mosh
Shriver, Maria
Schwarzenegger, Patrick
Paperback
Brain Games - Large Print Sudoku Puzzles (Swoosh)
Brain Games
Publications International Ltd
Paperback
Keep Your Brain Alive: 83 Neurobic Exercises to Help Prevent Memory Loss and Increase Mental Fitness
Katz, Lawrence
Rubin, Manning
Paperback
The Adult Activity Book: Sudoku, Kakuro, Scramble, Hex, Code Cracker, Cryptogram, Thorax, and Many Others
Robert D Brewer
Paperback
More Large Print Logic Puzzles: 50 Logic Grid Puzzles: Contains fun puzzles in font size 16pt (Large Print Edition)
High, Suzanne
Paperback
417 More Games, Puzzles & Trivia Challenges Specially Designed to Keep Your Brain Young
Linde, Nancy
Paperback
Brain Games - Sherlock Holmes Puzzles (#1): Over 100 Cerebral Challenges Inspired by the World's Greatest Detective! Volume 1
Brain Games
Publications International Ltd
Paperback
The New York Times Will Shortz Presents Kenken: 300 Easy to Hard Puzzles That Make You Smarter
Kenken Puzzle LLC
New York Times
Miyamoto, Tetsuya
Paperback
Brain Games - Large Print Outsmart Dementia Puzzles: Prevent Alzheimer's Disease and Maintain Cognitive Health
Brain Games
Publications International Ltd
Paperback
Brain Games - Crime Scene Investigation (Csi) Puzzles
Publications International Ltd
Brain Games
Paperback
The Little Book of Big Brain Games: 517 Ways to Stretch, Strengthen and Grow Your Brain
Moscovich, Ivan
Paperback
Large Print Logic Puzzles: 50 Logic Grid Puzzles: Contains fun puzzles in font size 16pt
High, Suzanne
Paperback
The Boredom Killer Puzzle Book for Adults: Fun Brain Games for When You're Bored Out of Your Mind
O'Neill, Bill
Paperback
Sherlock Holmes Escape Book: The Adventure of the London Waterworks: Solve the Puzzles to Escape the Pages
Sacker, Ormond
Paperback