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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.)
Paperback

|August 4, 2009

$9.50

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Watch out—these sudoku might crush even the most stalwart of solvers!
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…
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)…
Paperback

|August 4, 2009

$9.50

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For beginners who want a gentle mental workout
Spiral Bound

|March 1, 2011

$9.50

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Lounging by the pool is a great way to spend some leisure time, and great sudoku puzzles make it even better. Whether they're on a beach towel or lounge chair, solvers will delight in this latest collection of satisfying sudoku stumpers, created by top puzzle…
Paperback

|August 4, 2015

$10.95

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Sudoku fans always keep an eagle eye out for fresh formats featuring their favorite puzzles. Here’s one sure to draw them in: 210 sudoku that add a little spice to the mix by changing the standard 9 x 9 puzzles to 10 x 10. That means solvers get 100 squares…
Paperback

|August 4, 2009

$9.50

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For the person who wants a more advanced challenge
Spiral Bound

|March 1, 2007

$9.26 online

$9.50

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Even more interaction—this time used in combination with other proceduresand a lot more heavily than in the first book.

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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,…
Paperback

|November 28, 2005

$9.50

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Everyone loves sudoku puzzles, finding them impossible to put down. The only problem: having enough sudokus to solve!    Created in the United States, these addictive conundrums were originally called “Number Place” puzzles until their…
Paperback

|April 3, 2012

$16.95

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Only diehards need apply! These incredibly difficult sudoku are made to challenge even the most expert solver…and strain their brains to bursting. Each puzzle requires upper-level strategies that have been honed to perfection from regular practice. Designed…