(Paperback)

Part of the brain-boosting Sherlock Puzzle series, Code Breakers presents 100+ classic cryptogram puzzles.

(Paperback)

Are you up to the challenge of 200 new Su Doku puzzles, arranged in easy, medium and difficult categories

(Paperback)

The ultimate collection of over 1,000 handcrafted sudoku puzzles, in a range of difficulties, handcrafted by the masters at Nikoli in Japan (whose Workman sudoku books have 1.3 million copies in print combined).

(Paperback)

(Paperback)

(Paperback)

This book includes 200 never-before-seen Sudoku of a progressive level of difficulty, complete with an introduction and full solutions. It is guaranteed to provide hundred of hours of puzzling enjoyment.

(Paperback)

This book includes 200 never-before-seen killer Sudoku of a progressive level of difficulty, complete with an introduction and full solutions. It is guaranteed to provide hundred of hours of puzzling enjoyment.

(Paperback)

210 more previously unpublished killer Sudoku puzzles.

(Paperback)

210 more previously unpublished Sudoku puzzles, ranging from easy to fiendish.

(Paperback)

A wide variety of sudoku variants, designed to keep solvers on their toes, but presented accessibly, with easier puzzles leading in to more complex variations.

(Hardback)

Copyright 2017 by Princeton University Press.

(Paperback)

The sudoku phenomenon has passed from being a trend to a firm staple of puzzle pages. Both relaxing and challenging in equal measure. For the first time 150 puzzles from the Mirror's world-beating puzzle pullout are presented in three levels of difficulty. Perfect for a holiday, commute or simply relaxing at home.

(Paperback)

If you relish a serious mental workout, this collection of 100 brain teasers will demand your very best lateral thinking skills and mathematical rigour to solve. These puzzles will amuse and perplex in equal measure.

(Paperback)

Challenge yourself with over 400 sudoku puzzles from the pages of the Telegraph.

(Paperback)

The ideal gift for su doku enthusiasts.

Posing an even greater challenge than Fiendish Su Doku puzzles, this bumper collection of more than 360 puzzles is for hard-core Su Doku solvers. Selected from the pages of The Times these puzzles will keep even the most eager enthusiasts entertained for hours.

(Paperback)

The ideal gift for su doku enthusiasts.

Posing an even greater challenge than Fiendish Su Doku puzzles, this bumper collection of more than 360 puzzles is for hard-core Su Doku solvers. Selected from the pages of The Times these puzzles will keep even the most eager enthusiasts entertained for hours.

(Paperback)

The ideal gift for su doku enthusiasts.

If you like to live dangerously and push beyond your mental comfort zone, steel yourself for The Times' toughest Ultimate Killer puzzles. A bumper collection of more than 360 puzzles for hard-core solvers. Selected from The Times these puzzles will challenge the sharpest minds.

(Paperback)

The ideal gift for su doku enthusiasts.

If you like to live dangerously and push beyond your mental comfort zone, steel yourself for The Times' toughest Ultimate Killer puzzles. A bumper collection of more than 360 puzzles for hard-core solvers. Selected from The Times these puzzles will challenge the sharpest minds.

(Paperback)

Challenge yourself at home with word and number puzzles

200 brand new compelling and addictive word and number puzzles from The Times. Appearing daily in the newspaper, Codeword is the cracking alternative to Su Doku and Crosswords.

(Paperback)

The latest title in The Times Fiendish Su Doku series previously unpublished quality Su Doku puzzles. Includes 180 Fiendish and 20 Super Fiendish puzzles.

(Paperback)

Challenge your brain with these enjoyable puzzles.

The latest title in The Times Fiendish Su Doku series previously unpublished quality Su Doku puzzles. Includes 180 Fiendish and 20 Super Fiendish puzzles.

(Paperback)

Challenge your brain with these enjoyable puzzles.

The latest puzzle book in The Times Fiendish Su Doku series previously unpublished, quality Su Doku puzzles. Includes 180 Fiendish and 20 Super Fiendish puzzles.

(Paperback)

Challenge your brain with these enjoyable puzzles.

The latest title in The Times Fiendish Su Doku series previously unpublished quality Su Doku puzzles. Includes 180 Fiendish and 20 Super Fiendish puzzles.

(Paperback)

Challenge yourself at home with word and number puzzles

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