Frank Longo

Solvers get to try X-Wing, Gordonian Rectangle, Gordonian Rectangle Plus, One-Sided Gordonian Rectangle, and Swordfish.

Sudoku that's easy to carry--but tough to solve! If you like to do your puzzle-solving on the go, the portable "Petite Hard Sudoku" is the ticket. Sudoku master Frank Longo has crafted 106 mind-melting conundrums that all require upper-level solving techniques to conquer. So grab a pencil--or pen, i...

If you want easy sudoku that's also easy to take on the go, "Sit & Solve No-Sweat Sudoku" is right up your alley. Sudoku sensei Frank Longo has crafted 60 gentle logical conundrums, none of which require upper-level solving techniques to conquer. Grab a pencil and give your brain a stretch with "Sit...

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 the most challenging sudoku book we've ever p...

This is a super new puzzle book from a prolific & popular puzzle author and an experienced problem formulator. It combines two puzzles for a conundrum of wordplay and logic. It provides a unique solving experience that will have the millions of sudoku and boggle fans hooked! These little conundrums ...

This title includes 300 puzzles from prolific & popular puzzle & sudoku author - Frank Longo. It takes a page from karate - another Japanese art - each title is graded by colour: White for easy, Green for medium, Brown for hard & Black Belt for the super-tough! All in a handy-sized format, so puzzle...

This title includes 300 puzzles from prolific & popular puzzle & sudoku author - Frank Longo. It takes a page from karate - another Japanese art - each title is graded by colour: White for easy, Green for medium, Brown for hard & Black Belt for the super-tough! All in a handy-sized format, so puzzle...

What do you get when you cross one of the coolest retail brands with today's hottest puzzle craze? Why, "Boss Lady Sudoku", of course! Known for their finger-on-the-pulse understanding of pop culture, Blue Q is one of today's most popular gift companies, manufacturing and marketing everyth...

The super-successful board game meets the hottest puzzles around, and the result is a fun new challenge for solvers. This smart hybrid of trivia and sudoku comes to us, courtesy of Frank Longo, who's simply one of the world's best selling - and best - puzzle authors in the business. Regular 9 X 9 gr...

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 of the label "hard." The puzzles incr...

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 of the label "hard." The puzzles incr...

A super-sequel to "Mensa[registered] Sudoku". Written by Frank Longo, one of the best sudoku creators around, it offers 534 fantastic puzzles (all in the standard 9 X 9 format) that go from very simple to extremely hard. That means smart newcomers can get started solving immediately and hone their s...

Now everyone can find the perfect sudoku challenge and become a master at the game. Just like karate, these puzzle collections are ranked by different-colored belts...and they're more precisely and accurately organized by level than ever before. Beginners can start with the extremely easy White Belt...

With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game that's appearing in major newspapers all over! Taking a page from karate-another Japanese art-each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown...

Take your place among the finest puzzle warriors by solving these tricky ninja sudoku. In order to reach the loftier levels of the assassin ranks, fine tune your logic puzzle expertise with these fun conundrums that range from easy to easy medium. You'll become familiar with basic and intermediate t...

Take your place among the finest puzzle warriors by solving these superior ninja Sudoku. In order to reach the elevated levels of the assassin ranks, a certain degree of proficiency is necessary to complete these fun mind-benders that begin at medium and work their way to hard. The hardest puzzles h...

One level up: your mastery is getting better. "Green Belt" introduces new puzzle-solving techniques, teaching intermediate skills. It's harder than you're used to--but remember: no pain, no gain, no elite assassin status!

"White Belt" may start gently, but don't be fooled--you will be tested in these pages. Just remember: what doesn't kill you only makes you stronger!

You're almost there! With "Brown Belt," you enter the top levels of sudoku. Here you will encounter such advanced techniques as X-wings, Gordonian rectangle variations, and other solving skills that are legendary among ninja puzzle warriors.

Here you stand on the threshold of greatness. But to solve these cranium-crushers, you must call upon esoteric techniques like XYZ-wings, swordfish, extended Gordian rectangles, and more. Are you black-belt material? There's only one way to find out!

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 by powerhouse sudoku creator Frank Longo...

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 puzzle-makers, this third entry in our popular series is literally the next BIG thing in ...

This small, easy-to-carry book equals BIG sudoku fun! Solvers who want to make sure they always have a sudoku close by will appreciate these high-quality conundrums, created by one of the very best and most popular puzzlemakers around.Author BiographyFrank Longo is a freelance puzzle creator who has...

On the go? Don't forget to take some easy sudoku puzzles with you so you'll always be ready for a quick mental workout. Conveniently sized to slip in your bag or pocket, this attractively designed Petite collection is filled with gentle sudoku from a one of the world's finest puzzle masters.Author B...

Love sudoku? Here are 100 brainbenders from one of puzzledom's top creators, gathered in one extremely attractive package. Perfectly designed for solving on the run, each tear-out puzzle is conveniently bound into the book so that the grid faces away from the spine. Pick a sudoku and get started--th...

Got brains? If so... beware of "Zombie Sudoku"! Because it just might be true that the living dead know that the smartest solvers make the tastiest snacks. But even so, who could resist the challenging allure of Frank Longo's fabulous puzzles? But you'd better keep an eye out while you sink your tee...

Here's a unique fusion of SCRABBLE and crossword, perfect for lovers of wordplay. Above each crossword there's a SCRABBLE rack of 7 tiles (six letters and one blank). Scrambling the tiles can produce four words, depending on which letter you assign to the blank-and all are in the crossword itself.

What's better than a book of sudoku puzzles? That's right: a BIG book of sudoku puzzles. Everyone loves sudoku puzzles, finding them impossible to put down and these will ease new comers into the fun. It provides an enormous amount of entertainment for a very reasonable price. What's better than a b...

What's better than a book of sudoku puzzles? That's right: a BIG book of sudoku puzzles. Puzzle master Frank Longo has provided the best hard sudoku on the market. Readers will go crazy for these super-engaging brain bafflers! What's better than a book of sudoku puzzles? That's right: a BIG book of ...

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 lifeguard (and best-selling author), Fra...

With its super-convenient size and VIP panache, "Petite Elegant Sudoku" pushes not just fashion boundaries, but also solvers' prowess with a pencil. Puzzle aficionados will love having these challenges with them at the country club, at a fine restaurant, or just on hand during a first-class flight t...

For all those solo, high-calibre players out there who won't settle for just any run-of-the-mill puzzles, the inimitable Frank Longo presents a collection of sudoku to challenge the mind and complement any well-tailored suit. The stylish and compact design makes it easy to slip into a dapper briefca...

Puzzle sensei Frank Longo is ready to turn sudoku weaklings into bona fide samurai. "Sudoku Dojo" builds logical thinking and deductive reasoning as only high-level sudoku can, but the way of the warrior is a trying path. Starting with puzzles that can be solved with One Look and Scanning, and gradu...

One-Choice and Elimination are added to the mix.

Do you dare? Wrap your brain around the XY-Wing, XYZ-Wing, Alternating Digits, Extended Gordonian Rectangle, Multi-Digit One-Sided Gordonian Rectangle, Gordonian Polygon, One-Sided Gordonian Polygon, Jellyfish, Finned X-Wing.

Subsets (Pairs, Triples, and higher) and Interaction make this harder still!

Sudoku, the crossword-like number puzzle, wins more fans every day--and there's no better sudoku collection for beginners or experienced solvers than this one from puzzle wizard Frank Longo. The rules are simple: Put a number in each square so that each row, column, and 3 x 3 quadrant contains all t...

There's a common belief about the mental acuity of the aging brain: "If you don't use it, you lose it." Research published in the December 20, 2006 issue of the "Journal of American Medicine" confirms it: "If we challenge our minds...it does in fact improve memory and this improvement can be sustain...