Get ready to fight your way to the top of the sudoku ranks! Each book in the Martial Arts sudoku series will contain 300 puzzles, with a different blend of variants depending on the difficulty level. White Belt Sudoku Variants will include the most accessible puzzle types at their easiest level.

Get ready to fight your way to the top of the sudoku ranks! Each book in this Martial Arts sudoku series will contain 300 puzzles, with a different blend of sudoku variants depending on the difficulty level. Brown Belt Sudoku Variants will include puzzle types featured in the Green Belt at a higher level, as well as some additional variants.

Conceptis Puzzles is the world’s leading number-logic and picture-logic puzzle supplier to magazine, newspaper, book, mobile, game console, and board game providers. Every day, more than 10 million pages with Conceptis puzzles are printed in 40 countries worldwide. Their previous Puzzlewright books include Sudoku Variants, Black Belt Kakuro, Mensa® Sudoku, Samurai Sudoku, Paint-doku, and dozens of others.

Get ready to fight your way to the top of the sudoku ranks! Each book in this Martial Arts sudoku series will contain 300 puzzles, with a different blend of sudoku variants depending on the difficulty level. Black Belt Sudoku Variants will feature variants with the most fiendish twists.

Kakuro is the next hot puzzle craze, and everyone can give it a try with this new, multilevel series. These language-free number puzzles use pure logic and require just simple arithmetic to solve. So, in addition to being fun, they help develop your powers of deduction and reasoning. Beginners can get started - and more experienced solvers hone their skills - with these perfectly tiered "belt" books, each containing 150 kakuros. They take their cue from the belt colors in martial arts: white is for novices, green for intermediates, brown for very accomplished players, and black for those consummate experts who crave a challenge.

Kakuro is the next hot puzzle craze, and everyone can give it a try with this new, multilevel series. These language-free number puzzles use pure logic and require just simple arithmetic to solve. So, in addition to being fun, they help develop your powers of deduction and reasoning. Beginners can get started - and more experienced solvers hone their skills - with these perfectly tiered "belt" books, each containing 150 kakuros. They take their cue from the belt colors in martial arts: white is for novices, green for intermediates, brown for very accomplished players, and black for those consummate experts who crave a challenge.

These dot-to-dot puzzles are truly works of art. Conceptis has taken the Dot-to-Dot to exciting new levels! When completed, the 122 puzzles in this book reveal intricate pictures that range from people to animals to landscapes, all perfect for coloring in. Take it easy, with these less-complicated dot-to-dots that are fun to solve and color.

Kakuro is the next hot puzzle craze, and everyone can give it a try with this new, multilevel series. These language-free number puzzles use pure logic and require just simple arithmetic to solve. So, in addition to being fun, they help develop your powers of deduction and reasoning. Beginners can get started - and more experienced solvers hone their skills - with these perfectly tiered "belt" books, each containing 150 kakuros. They take their cue from the belt colors in martial arts: white is for novices, green for intermediates, brown for very accomplished players, and black for those consummate experts who crave a challenge.

When just having a black belt in kakuro isn't enough, step up to the next level! These tricky puzzles require the very best skills - and give top solvers the complete mental workout they want.

Everyone knows Sudoku is enjoyable - but these addictive puzzles also come in endless variations too! They range from simple to very difficult, and can take almost no time to finish...or require many hours. This entertaining collection showcases a wide range of possibilities, offering solvers who have become accustomed to the standard rules and grids an exciting new challenge. Select from Mega Sudoku that provides a real workout, Diagonals or Odd and Even versions with extra constraints, Sum Sudoku that merges with kakuro and Multisudoku with overlapping puzzles. There's something for every level - 12 X 12 puzzles, ones with irregularly shaped areas, even Mini Sudoku - and lots of fun for everyone.

We're giving you the second degree ... in brown-belt kakuro training! Go from good to great with these tough puzzles. Complete them all, and you'll be ready to earn your black belt.

Variety is the spice of sudoku--so solvers will love these wild variants on the popular puzzle, which up the challenge and the fun! Sudoku took the puzzle world by storm, but some fans have grown a bit bored with the constant repetition of 1 through 9 and 3x3 boxes. With variations such as overlapping and oversize grids, diagonals, shaded squares, and more, these puzzles bend the rules and bring something new to the game. Each gem is like a crazy cousin of standard sudoku--and solvers will be overjoyed to join the family reunion.

We're giving you the THIRD DEGREE! Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more! So here's the next level of challenge for fans of these addictive conundrums that feature little numbers throughout the grid. Solvers have to fill in the blanks with digits that add up to the little numbers. It's fun, and it stretches your mental muscles, too! Beginners welcome! These 150 puzzles are perfect for kakuro newbies.

Looking for something challenging but not impossible, something to bump up your kakuro technique? This title presents medium-hard green puzzles that are just right for honing intermediate skills.

Kakuro is fun - but if the puzzles aren't just right, newcomers can feel frustrated. This collection will ease novices into solving kakuro puzzles, helping them improve and preparing them for the next level of difficulty.

What could be more appealing to Mensa members - or anyone who enjoys a good challenge - than a cunning test of intelligence and logic? That's exactly what these 250 puzzles provide. The trick to kakuro is in making it all add up: the game begins with a grid that looks like a crossword, except that some squares contain small numbers in the corner. Fill in all the empty boxes using the numbers 1 to 9 without repeats so that the sum of each horizontal set of digits equals the number in the black triangle to its left. Don't forget though that the sum of each vertical set of digits must also equal the number in the triangle above it! The kakuro puzzles start out simple...and get more difficult as the book progresses, a perfect way to strengthen up those mental muscles.

This dot-to-dot collection, with 100 puzzles, has lots and LOTS of dots for a super challenge! Take it to the third level, with this brainbusting collection! Like Level 2, it features the twist of stars replacing dots, now in 62 of the puzzles. Whenever solvers reach a star they have to stop drawing, lift their pencil from the page, and start again at the next number--so there's no continuous line.] And the number of dots has increased, so there are 180-270 per page, making for a mightily intricate picture!