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Absolutely Nasty® Sudoku Level 4
Spiral Bound

|March 1, 2007

$9.50

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Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)
mental_floss Sudoku: It's The Brain Candy You've Been Craving!

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Sudoku super-master Frank Longo and mental_floss , the magazine for trivia lovers, bring fans a collection of superb puzzles sure to stimulate the brain. Longo's puzzles are always top-notch, and because these increase in difficulty as the book goes along,…
Large Print Sudoku #4: Over 100 Puzzles
Spiral Bound

|February 5, 2013

$14.95

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Completing a sudoku should take a sharp mind—not 20-20 vision. That's why this large-print puzzle book—from renowned creator Frank Longo—will strain your brain without straining your eyes. Every grid is super-sized for your solving pleasure,…
Third-degree Black Belt Sudoku®
Paperback

|August 4, 2009

$9.50

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Watch out—these sudoku might crush even the most stalwart of solvers!
Bizarre Crossword Variants
Spiral Bound

|November 3, 2015

$13.76 online

$13.95

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These puzzles are crazy . . . fun!  Though they seem like crosswords, what with the clues and grids, they're really in a class all their own. Each one has its own bizarre variant: answers twist and turn, grids are arranged in Escher-like configurations…
Absolutely Nasty® Sudoku Level 2
Spiral Bound

|March 1, 2007

$9.50

In stock online

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Even more interaction—this time used in combination with other proceduresand a lot more heavily than in the first book.
Large Print Sudoku #3
Spiral Bound

|February 7, 2012

$14.95

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Strain your brain--not your eyes! With one puzzle on each page, large numbers, and plenty of space to write, these super-sized sudoku are easy to read…but challenging to solve. Created by one of the world's top puzzlemakers, this third entry in our popular…
Sudoku U: Phd In Sudoku
Paperback

|This title releases April 3, 2018

$10.95

Pre-order online

Not yet available in stores

We’ll school you in sudoku! Find your grade, improve your play—and graduate to the next level. Sudoku professor Frank Longo has crafted five books with 300 sudoku each, which will take students from solving basics to super-hard, super-expert…
Easy-to-hard Mensa® Sudoku
Paperback

|November 1, 2007

$10.95

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A super-sequel to Mensa® Sudoku —which will easily equal the popularity of the first, 145,000 copies sold and climbing! Written by Frank Longo, one of the best sudoku creators around, it offers 534 fantastic puzzles (all in the standard 9x9 format)…
Sudoku U: Sophomore Year
Paperback

|This title releases April 3, 2018

$10.95

Pre-order online

Not yet available in stores

We’ll school you in sudoku! Find your grade, improve your play—and graduate to the next level. Sudoku professor Frank Longo has crafted five books with 300 sudoku each, which will take students from solving basics to super-hard, super-expert…
Supersized Book Of Sudoku
Paperback

|February 17, 2015

$16.95

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Bigger IS better! Created by one of the best puzzle makers in the business, this giant collection (more than 850 pages!) features hundreds and hundreds of sudoku. The puzzles range from easy to challenging, and offer a ton of fun for solvers of every level. With…
Puzzlewright Guide To Solving Sudoku: Hundreds Of Puzzles Plus Techniques To Help You Crack Them All

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Sudoku designers the world over will weep and gnash their teeth at the revelations in this comprehensive guide to cracking the addictive puzzles--but solvers will find it absolutely invaluable as they seek to improve their skills. Even experts don't know all…