(Paperback)

Ninja Sudoku presents a unique collection of puzzles to do anytime, anywhere, perfect for those who want to take their sudoku skills to the next level.

(Paperback)

This large-format puzzle book contains over 300 sudokus that will both challenge the brain and soothe the mind.

(Hardback)

Embark on a quest through the realm where romance and fantasy collide to solve the puzzles in this enchanting activity book. Inside these pages you'll discover classic conundrums and light-hearted games designed to immerse you in the world of romantasy. You're the main character in this story: it's up to you to solve away and save the day!

(Paperback)

The ideal gift for Su Doku enthusiasts

Posing a greater challenge than standard Su Doku puzzles, this bumper collection of more than 400 puzzles is for dedicated Su Doku solvers. Selected from the pages of The Times these puzzles will keep even the most eager enthusiasts entertained for hours.

(Paperback)

Test your powers of logic with 200 puzzles from The Times.

Just like a mathematical crossword, these puzzles are ideal for fans of Su Doku who relish grappling with figures. Contains four levels of difficulty, combining arithmetic with an intersecting layout: Mild, Medium, Tricky and Tough.

(Paperback)

Challenge yourself with number puzzles

The latest volume in the hugely popular Killer Su Doku series from The Times, featuring the highest-quality puzzles with an extra element of arithmetic.

(Paperback)

Challenge yourself with number puzzles

For anyone who loves the challenge of Su Doku but manages to solve them within minutes, you can now enjoy the extended mental workout and ultimate endurance test of a five grid interlinked system.

(Paperback)

Challenge yourself with number puzzles

Previously unpublished quality Su Doku grids from The Times, which help develop your skills to take on Extreme Su Doku.

(Paperback, Reissue ed.)

Sudoku fans keep an eagle eye out for fresh formats featuring their favorite puzzlesand these 210 sudoku spice up the mix by changing the standard 9 x 9 puzzles to 10 x 10. So solvers get 100 squares (not 81), and numbers that go from zeronot oneto nine. Plus, many of the grids feature bigger 5 x 2 boxes or random shapes for extra fun.

(Paperback)

For solvers who have dared to come this farcongratulations! Your reward is the roughest, toughest kakuros ever put on paper. Good luckyou'll need it!

(Paperback)

Level onebut absolutely not for beginners! This is the beginning of fans' hard but satisfying solving journey.

(Paperback)

Only hardcore kakuro devotees should dare enter here. For those who can, it's head-exploding puzzle solving.

(Paperback)

On the second level, the clues are getting nastierbut the pleasure in completing these tricky puzzles is even greater.

(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 provides basic and intermediate puzzles and techniques.

(Paperback)

Kakuro language-free number puzzle that uses pure logic and requires just simple arithmetic to solve. This book is a part of a multilevel series of "belt" books, each containing 150 kakuros. These books take their cue from the belt colors in martial arts such as: white is for novices, and black for those consummate experts who crave a challenge.

(Paperback)

Are you experienced These are the hardest KenKen for super-solvers only!

(Paperback)

Are you a KenKen expert Then see if you have the skills to handle these high-level puzzles!

(Paperback)

So, you've worked your way through the easiest, for-beginners-only KenKen. The next level awaits you. Do you have what it takes

(Paperback)

Sudoku is a real cultural phenomenon: a French fad in the 1890s, a Japanese craze in the 1980s, it is peculiarly British obsession. This book contains 201 fiendish brainteasers, ranging from easy to mind-bogglingly difficult. It provides a daily fix for the hardened Sudoku fan and sets an addictive challenge for novices. It's more than a game.

(Paperback)

Presents tricky kakuro puzzles that require the very best skills - and give top solvers the complete mental workout they want.

(Spiral bound)

(Paperback)

Suitable for puzzle lovers, this title includes 300 puzzles.

(Paperback)

(Paperback)

Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen!