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Spiral Bound

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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.)
Spiral Bound

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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…
Hardcover

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Endless fun for devoted solvers! At 21 feet, 9 ¾ inches long, and with 8,929 empty squares to fill, this huge puzzle adds big excitement to the popular game—and is the perfect challenge for fans who find regular sudoku too easy. It’s composed…

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For diehards only! These incredibly difficult puzzles are handcrafted for the sudoku warrior who dares to go where other solvers fear to tread. So, if you're armed with the highest-level strategies, get ready for the most satisfying fight your life.   It's…
Spiral Bound

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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…
Spiral Bound

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The difficulty level soars, as even more tricks get added to the mix: X-Wing; Swordfish; XY-Wing; XYZ-Wing; and the Gordonian Rectangle.

10 X 10 Sudoku

by Frank Longo

|August 4, 2015

Paperback

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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…
Hardcover

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The two longest crosswords ever created—now together for the first time! Amazingly, in spite of their massive size, these puzzles follow the rules of standard American crosswords: full interlock, no repeated answers, symmetrical patterns of black squares,…
Spiral Bound

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The vast majority of sudoku puzzles that are labeled "hard," "expert," "challenger," are not really all that difficult. And in a surprising number of cases, they are downright easy. In the "Mensa Absolutely Nasty Sudoku" books, you will find puzzles truly worthy…
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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)…
Spiral Bound

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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…
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