(Paperback)

The next in a new series: a positively HUGE book of 500 sudoku puzzles for all skill levels

(Paperback)

A positively HUGE book of 500 sudoku puzzles for all skill levels

(Paperback)

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. Part of the "Absolutely Nasty Sudoku" series, this book features basic and intermediate puzzles and techniques.

(Paperback)

It's time to break out of the box: the traditional 3x3 puzzle box, that is! This assortment of engaging and challenging variants takes sudoku up a notch. The creative twists include overlapping and unusually shaped grids, special rules that make solvers up their game, and even super-large sudoku for an extra-fun experience.

(Paperback)

Taking a page from karate - another Japanese art - each title in the series 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. Each title also contains 300 puzzles.

(Paperback)

Taking a page from karate - another Japanese art - each title in the series 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. Each title also contains 300 puzzles.

(Spiral bound)

If you love sudoku variants, youll go crazy for these giant puzzles, made up of five overlapping sudoku, each following its own unique twist on the basic rules. The overlapping grids (like a samurai sudoku) mean that all five grids must be solved together. Its a wild challenge thatll drive you cuckoo!

(Paperback)

(Paperback)

(Paperback)

(Paperback)

Kakuro are language-free number puzzles that use logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes 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.

(Paperback)

Taking a page from karate - another Japanese art - each title in the series 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. Each title also contains 300 puzzles.

(Paperback)

Suitable for puzzlers whose eyesight is imperfect, this title presents super-sized sudoku.

(Paperback)

(Paperback)

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.

(Paperback)

(Paperback)

With more than two hundred puzzles, Sangaku #2 will keep you and your friends amused for hours, sharpen your maths skills, and change the way you think about numbers.It's the perfect time-killer for puzzle lovers of every age and skill level.

(Paperback)

Works a bit like Sudoku: the player is presented with a pattern or grid, and must put the correct numbers in the right spaces in order to complete the puzzle based on mathematical rules. This book is the captivating new number game that uses simple math and logic to reveal the mystic power of numbers.

(Paperback)

Taking a page from karate - another Japanese art - each title in the series 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.

(Paperback)

With a separate sudoku book for every level, this work helps puzzle lovers play this popular game. 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. Each book includes 300 puzzles.

(Paperback)

Ready for step two These KenKen offer a challenge that intermediate solvers will enjoy.

(Paperback)

With a separate sudoku book for every level, this work helps puzzle lovers play this popular game. 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. Each book includes 300 puzzles.

(Paperback)

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

(Paperback)

Sudoku comes in variations that range from simple to very difficult, and can take almost no time to finish or require many hours. This book presents a collection of games that showcase a range of possibilities, offering solvers who have become accustomed to the standard rules and grids new challenges.