(Paperback)

A massive 300 killer sudoku puzzles packaged in a stylish paperback - this is the perfect killer sudoku gift book for adults of any age. With a mix of 100 easy, 100 medium and 100 hard puzzles, the 9 x 9 grids are each arranged on their own page and solutions are easily found in the back of the book. Printed in a highly portable format.

(Paperback)

A massive 300 sudoku puzzles packaged in a stylish paperback - this is the perfect sudoku gift book for adults of any age. With a mix of 100 easy, 100 medium and 100 hard puzzles, the 9 x 9 grids are each arranged on their own page and solutions are easily found in the back of the book. Printed in a highly portable format.

(Paperback)

A massive 300 super fiendishly hard sudoku puzzles packaged in a stylish paperback - this is the perfect gift book for the avid sudoku fan. The 9 x 9 sudoku grids are each arranged on their own page and solutions are easily found at the back of the book. Printed in a highly portable format.

(Paperback)

A massive 300 deadly killer sudoku puzzles packaged in a stylish paperback - this is the perfect gift book for the avid killer sudoku fan. The 9 x 9 sudoku grids are each arranged on their own page and solutions are easily found at the back of the book. Printed in a highly portable format.

(Paperback)

(Spiral bound, Volume 1 ed.)

Sudoku is an addictive logic-based game from Japan, which involves numbers, and sharpens your concentration and reasoning, but requires no mathematical skills to play. Including 200 grids of varying difficulty, this pocket-sized notepad includes a pencil and is ideal for strategizing on the bus or train.

(Paperback)

(Paperback)

200 super fiendishlyhard sudoku puzzles packaged in a stylish paperback - this is the perfect book for the avid sudoku fan. The 9 x 9 sudoku grids are each arranged on their own page and solutions are easily found at the back of the book. Printed in a highly portable format.

(Paperback)

(Paperback)

200 deadly killer sudoku puzzles packaged in a stylish paperback - this is the perfect book for the avid killer sudoku fan. The 9 x 9 sudoku grids are each arranged on their own page and solutions are easily found at the back of the book. Printed in a highly portable format.

(Hardback)

Banish boring bathroom visits for good with this cheeky sudoku puzzle book from the bestselling author of 52 Things to Do While You Poo. Whether you're a curious beginner or a master of the grid, these conundrums will suit anyone who likes to take the focus away from the task in hand and will keep you puzzling for hours.

(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)

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)

A bumper collection of easy, medium and difficult Su Doku puzzles to test your mental dexterity, powers of logic and deduction. You will find 100 easy, 100 medium and 100 hard puzzles in this latest collection so you can gauge your progression through the difficulty levels. Are you ready for the test

(Paperback)

A bumper collection of easy, medium and difficult Su Doku puzzles to test your mental dexterity, powers of logic and deduction. You will find 100 easy, 100 medium and 100 hard puzzles in this latest collection so you can gauge your progression through the difficulty levels. Are you ready for the test

(Paperback)

A bumper collection of easy, medium and difficult Su Doku puzzles to test your mental dexterity, powers of logic and deduction. You will find 100 easy, 100 medium and 100 hard puzzles in this collection so you can gauge your progression through the levels.

(Paperback)

(Paperback)

Kakuro are language-free number puzzles that use pure 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)

(Paperback)

Over 400 sudoku puzzles ranging from easy to fiendish to really test your grey matter.

(Paperback)

Over 400 sudoku puzzles from the pages of the Daily Mail

(Paperback)

Over 400 sudoku puzzles from the pages of the Daily Mail.

In the tradition of beloved, geeky game kits like Punderdome and STET! Dreyer's English, this companion book-and-game kit to Ben Orlin's bestselling Math Games with Bad Drawings comes complete with everything necessary to play 34 fun, challenging, meaningful math games anytime, anywhere. Perfect for ages 10 and up.

(Paperback, New Edition)

More than 200 never-before-seen Killer Sudoku of a progressive level of difficulty, complete with an introduction and full solutions.