The logical choice for lavatory reading. Easy sudoku are perfect for solving when you have a few minutes on your hands...wherever you may be. Just toss this pocket-size book into your bag or leave it in a convenient location, and you'll be ready for sudoku-solving enjoyment at any moment!

Hone your skills by solving a grid a day with this 2024 box calendar of sudoku puzzles ranging from easy to hard, created by puzzle master Frank Longo. If you love sudoku, what better way to treat yourself than to set aside a little time for one every day with a sudoku calendar? Tackling the sudoku by puzzle master Frank Longo in this daily calendar is a rewarding ritual. The rules are simple: fill in the empty squares so that every digit from 1 to 9 appears once (and only once) in every row, column, and 3×3 box. Answers are given on the back of the tear-off pages. You’ll find day and date references on every page, as well as major and national holidays, and combined weekend pages. On Mondays, ease into your day with easy “White Belt� puzzles; the level of difficulty slowly increases as the week goes on, leading up to tricky “Black Belt� sudoku on the weekend, when you’ve got extra time to take on the challenge. Features of this puzzle calendar include: • Day and date reference on every page, with combined weekend pages • Major and national holidays in the US, Canada, and UK • Answers on the back of each tear-off page • Difficulty rating for each puzzle • Recyclable cardboard backing with built-in folding stand for desk or tabletop display  

Make an appointment with yourself to solve these puzzles! If you love sudoku, what better way to treat yourself than to set aside a little time for one every day? Tackling the sudoku by puzzle master Frank Longo in this day-to-day calendar will be a rewarding ritual. The rules are simple: fill in the empty squares so that every digit from 1 to 9 appears once (and only once) in every row, column, and 3?3 box. Answers appear on the back of the tear-off pages, and there are day and date references on every page, as well as major and national holidays, and combined weekend pages. On Mondays, ease yourself into your day with easy "White Belt" puzzles; the level of difficulty will slowly increase as the week goes on, leading up to tricky "Black Belt" sudoku on the weekend, when you've got extra time to take on such a challenge.

A collection of 105 easy to hard sudoku puzzles that will provide a perfect (and perfectly portable) break at any time of the day.

Immerse yourself in the simple elegance of classic sudoku. In this book, prolific sudoku creator Frank Longo provides 100 classic sudoku, all from easy to medium difficulty, in three different sizes. Most of the book features standard 9x9 puzzles, but any time you'd like to spend a little more time in the world of sudoku, try one of the extra-large 10x10 or 12x12 puzzles! The difficulty levels are the same, but the expanded grids provide a refreshingly different feel.

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 Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

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 "Absolutely Nasty Sudoku" books, you will find puzzles truly worthy of the label "hard." The puzzles increase in difficulty throughout the four books in the series. It ranges from basic and intermediate puzzles and techniques at Level No. 1, to the most advanced techniques at Level No. 4, along with puzzles that require multiple advanced techniques each time.

You say you can't get enough sudoku? Challenge accepted! With more than 900 puzzles at all difficulty levels (gradually increasing from easy to medium to hard), this massive collection should be enough sudoku for anyone-for a while, anyway. The pages are perforated, perfect for grabbing a few puzzles to toss in your bag. Try tackling the whole book yourself to see your sudoku skills grow, or share it with family members who can each solve at the level of challenge they want.

The logical choice for lavatory reading. If you're going to be sitting in one place for a while, a tricky sudoku is just the thing to pass the time. (Make sure you've got a spare eraser under the sink.)

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 Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

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 lovers can play this addictive game wherever the mood takes them! This title is suitable for beginners who want a gentle mental workout! With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game! From prolific and popular puzzle and sudoku author - Frank Longo, it takes a page from karate - another Japanese art - as each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

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 Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

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 Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

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, they're perfect for helping solvers build their skills.

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 "Absolutely Nasty Sudoku" books, you will find puzzles truly worthy of the lable "hard." The puzzles increase in difficulty throughout the four books in the series. It ranges from the basic and intermediate puzzles and techniques at Level No. 1, to the most advanced techniques at Level No. 4, along with puzzles that require multiple advanced techniques each time.

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 lovers can play this addictive game wherever the mood takes them! This title is suitable for confident players only! With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game! From prolific and popular puzzle and sudoku author - Frank Longo, it takes a page from karate - another Japanese art - as each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

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 published!

This edition provides the reader with an introduction to this subject. During the past five years there has been a virtual explosion of information on the different phases of fertilization.This book should be of interest to advanced undergraduates and graduate students in developmental biology, zoology and cell biology; researchers entering the field.

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 lovers can play this addictive game wherever the mood takes them! Watch out - these sudoku might crush even the most stalwart of solvers! With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game! From prolific and popular puzzle and sudoku author - Frank Longo, it takes a page from karate - another Japanese art - as each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard and Black Belt for the super-tough solvers. Plus because each book has an amazing 300 puzzles, the fun can go on for hours.

Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle requiring upper-level strategies, this collection packs even more of a punch than our previous Beyond Black Belt Sudoku. Get ready, because you'll encounter common advanced techniques with curious-sounding names like XYZ-Wing, Finned X-Wing, Sashimi X-Wing, Swordfish, Jellyfish, Gordonian Rectangle, and Gordonian Polygon. And you might find some tricky new things here, too, from Grouped X-Cycle and Simple Grid Coloring to 3D Medusa and Bi-Value Universal Grave. The sudoku generally become increasingly difficult as the book goes along, from "pretty darn hard" to "excruciating." Are you up for the challenge?

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 "Absolutely Nasty Sudoku" books, you will find puzzles truly worthy of the label "hard." The puzzles increase in difficulty throughout the four books in the series. It ranges from basic and intermediate puzzles and techniques at Level No. 1, to the most advanced techniques at Level No. 4, along with puzzles that require multiple advanced techniques each time.

Stuff this collection of expertly crafted and age-appropriate sudoku in your backpack . . . and have fun on the go! These 77 puzzles will introduce kids to the challenging and rewarding fun of sudoku. With its fresh look, this new Puzzlewright Junior book is sure to be popular with any child.

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 sudoku!