Sudoku and number puzzles Books
Michael O'Mara Books Ltd Brain Games for Adults: Mixed Puzzles and Smart
Book SynopsisPut some fun into your puzzling with these clever games, specially designed to give your brain a workout while also making you smile! It's common knowledge that a brain workout is essential for keeping your mind on top form but often the puzzles we turn to can seem like very hard work. With Brain Games for Adults, internationally renowned puzzle expert Dr Gareth Moore presents a huge variety of puzzles – from cryptic codes to logic puzzles, number puzzles to feats of memory – that will challenge you and help boost your IQ. With different types of puzzles, all timed and all evolving in levels of difficulty as you work through the book, that challenge will continue as you progress and build your skills.From the author of the bestselling children's puzzle book series, Brain Games For Clever Kids®
£7.59
HarperCollins Publishers The Times Ultimate Killer Su Doku Book 12
Book SynopsisTest your powers of logic with these challenging Su Doku puzzles.Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£8.20
HarperCollins Publishers The Times Ultimate Killer Su Doku Book 14
Book SynopsisTest your powers of logic with these challenging Su Doku puzzles.Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£7.59
HarperCollins Publishers The Times Big Book of Killer Su Doku book 2
Book SynopsisThe 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.Killer Su Doku, takes Su Doku to the next level.The puzzles use the same 9x9 grid but there is a double challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number.Puzzles in this collection are taken from Times Killer Su Doku Books 4, 5 and 6.
£9.93
Union Square & Co. Mensa Kakuro Official Mensa Puzzle Book
Book SynopsisWhat could be more appealing to Mensa members - or anyone who enjoys a good challenge - than a cunning test of intelligence and logic? That's what this book of 250 puzzles provide. It starts with the simple kakuro puzzles and then progresses onto the more difficult puzzles.
£5.99
HarperCollins Publishers The Times Ultimate Killer Su Doku Book 16
Book SynopsisTest your powers of logic with these challenging Su Doku puzzles.Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£7.59
HarperCollins Publishers The Times Killer Su Doku Book 18
Book SynopsisChallenge yourself at home with number puzzlesThe latest volume in the hugely popular Killer Su Doku series from The Times, featuring the highest-quality puzzles with an extra element of arithmetic.This addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.The puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the numbers 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.With 200 new Moderate, Tricky, Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with simple puzzles. For those who like to live dangerously and pushbeyond their mental comfort zone, steel yourself for The Times'' next, terribly tough instalment.
£7.59
HarperCollins Publishers The Times Ultimate Killer Su Doku Book 15
Book SynopsisChallenge your brain with these enjoyable puzzles.Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£7.59
HarperCollins Publishers The Times Killer Su Doku Book 20
Book SynopsisTest your powers of logic with these challenging Su Doku 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.These puzzles will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.The puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the numbers 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.With 200 new Moderate, Tricky, Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with simple puzzles. For those who like to live dangerously and pushbeyond their mental comfort zone, steel yourself for The Times'' next, terribly tough instalment.
£7.59
Union Square & Co. Sudoku Variants
Book SynopsisSudoku 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.
£7.59
HarperCollins Publishers The Times Mindgames Number Logic Puzzles Book 1
Book Synopsis500 number and logic puzzles to test your mental agility with this collection from the MindGames section of The Times, featuring 7 different types of puzzle challenge.The perfect gift for all number and logic puzzle enthusiasts who are looking for a varied challengeThis collection contains the favourites Suko, Brain Trainer, Cell Blocks, Futoshiki, Kakuro, Set Square and KenKen, all from the Times puzzles section.
£7.59
Tuttle Publishing The Complete Book of Origami Polyhedra: 64
Book SynopsisLearn to fold incredible geometric origami models from "The Queen of Modular Origami!"In this book, Tomoko Fuse—Japan's most famous living origami artist—shows you how to create amazing polyhedral models using the techniques of modular origami (where many paper sheets are folded then locked together without glue or tape).Make 64 intriguing modular models, including: Stackable Modules—The perfect starting point for novices, these simple constructions result in stunning three-dimensional forms 3-D Stars—Dazzling decorative starbursts that look great on a Christmas tree, on your mantle—or even in an art gallery Manifold Modulars—"Inception-like" models in which individual modular constructions themselves become modules within a larger piece Cubes and Boxes—Perfect for gift giving—and there is no finer teacher for these than renowned origami box specialist Tomoko Fuse And many more! *Recommended for experienced folders and up*
£12.59
HarperCollins Publishers The Ultimate Mathematical Challenge
Book Synopsis ’Be warned: cracking puzzles releases a very addictive drug.’ – Marcus du Sautoy Have you ever wanted to be a puzzle pro or logical luminary? Well, look no further!Trade Review‘In this book you can immerse yourself in the joys of […] the amazing buzz you get when you’ve struggled to crack a challenging puzzle and then suddenly you see a clever way to unlock the enigma’ – Marcus du Sautoy ‘As a school maths teacher, I thrive on writing puzzles for my students. Now teacher becomes student, as I roll up my sleeves and get stuck into these puzzles. Many of my students have participated in UKMT maths challenges, so it's a chance for everyone to put their grey matter to the test! A must have book for anyone that wants to stretch their mind’ – Bobby Seagull, author of The Life-Changing Magic of Numbers
£13.49
Union Square & Co. SecondDegree Brown Belt Kakuro
Book SynopsisPresents tough kakuro puzzles.
£7.59
Sterling Publishing Co Inc SecondDegree White Belt Sudoku
Book Synopsis
£6.99
HarperCollins UK The Times Ultimate Killer Su Doku Book 17
Book SynopsisTest your powers of logic with these challenging Su Doku puzzles.Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£7.59
HarperCollins Publishers The Times KenKen Bk. 1 The New Braintraining
Book SynopsisKenKen is the brilliant successor to Su Doku that's taken Japan by storm. In collaboration with The Times, Collins the no 1 puzzle publisher are proud to publish it in the UK.KenKen is a brain-training puzzle based on logic and simple arithmetic. Perfect for all ages and highly addictive, KenKen puzzles challenge and entertain in an entirely new way. The puzzle was invented by a charismatic Japanese maths teacher, Tetsuya Miyamoto in 2004. The name comes from Ken' which is the Japanese word for clever and KenKen translates assquare wisdom'. It's based on simple arithmetic and each puzzle involves some or all of the following skills: addition, subtraction, multiplication and division.As with Su Doku there are clearly defined levels for each type of puzzle from beginner and intermediate to advanced and the puzzles can be on any size grid, from 3 x 3 up to 9 x 9. The puzzles improve numeracy, logical thinking, concentration and perseverance.Can you KenKen?
£7.59
HarperCollins Publishers The Times Ultimate Killer Su Doku Book 13
Book SynopsisSpecially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£8.20
HarperCollins Publishers The Times Ultimate Killer Su Doku Book 11
Book SynopsisChallenge yourself at home with word and number puzzlesSpecially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!
£7.59
HarperCollins Publishers The Times Samurai Su Doku 5
Book SynopsisQuiz your family at home with crosswords, puzzles and games.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.This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues and more complexity.With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book:10 Easy40 Mild40 Difficult10 Super difficultEven the speediest of Su Doku solvers will be agonising over these ultra-complex, extended brain-teasers.These are the most difficult Su Doku puzzles in The Times range.
£10.44
HarperCollins Publishers The Times Super Fiendish Su Doku Book 4
Book SynopsisChallenge yourself at home with word and number puzzlesThese are previously unpublished quality Su Doku grids from the puzzle providers to The Times, and help to develop you to take on Extreme Su Doku.The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge.The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles.Guaranteed to provide hours of mind-stretching entertainment.
£7.59
HarperCollins Publishers The Times Super Fiendish Su Doku Book 1
Book SynopsisChallenge yourself at home with word and number puzzlesA new title in the Fiendish Su Doku series, concentrating entirely on the more difficult Super Fiendish puzzles. These are previously unpublished quality Su Doku grids from the puzzle providers to The Times, and help to develop you to take on Extreme Su Doku.The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge.The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles.Guaranteed to provide hours of mind-stretching entertainment.
£7.59
Union Square & Co. Black Belt Kakuro
Book SynopsisKakuro 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.Trade Review"'Sudoku was great, kakuro is better' The Guardian"
£7.59
HarperCollins Publishers The Times Big Book of Ultimate Killer Su Doku
Book SynopsisThe 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.Includes Deadly-level Killer puzzles, and Extra Deadly, to really test your limits: this is the only place you''ll find such a torturous collection in a single book.These puzzles are not for the fainthearted, they use the same 9x9 grid as Su Doku, and have an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.But unlike with previous books, there is no chance to ease yourself in with Easy, or even Tough puzzles: this book is the Ultimate Killer Su Doku completely deadly.Puzzles in this collection are taken from T
£8.54
HarperCollins Publishers The Times Samurai Su Doku
Book SynopsisTest your powers of logic with these challenging Su Doku 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.This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues and more complexity.With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book:30 Mild30 Difficult30 Super difficult10 DeadlyEven the speediest of Su Doku solvers will be agonising over these ultra-complex, extended brain-teasers.These are the most difficult Su Doku puzzles in The Times range.
£10.44
HarperCollins Publishers The Times KenKen Book 4
Book SynopsisKenKen is the brilliant successor to Su Doku that’s taken Japan by storm. In collaboration with The Times, Collins - the no 1 puzzle publisher - are proud to publish it in the UK. KenKen is a brain-training puzzle based on logic and simple arithmetic. Perfect for all ages and highly addictive, KenKen puzzles challenge and entertain in an entirely new way. The puzzle was invented by a charismatic Japanese maths teacher, Tetsuya Miyamoto in 2004. The name comes from ‘Ken’ which is the Japanese word for clever and KenKen translates as‘square wisdom’. It’s based on simple arithmetic and each puzzle involves some or all of the following skills: addition, subtraction, multiplication and division. As with Su Doku there are clearly defined levels for each type of puzzle from beginner and intermediate to advanced and the puzzles can be on any size grid, from 3 x 3 up to 9 x 9. The puzzles improve numeracy, logical thinking,
£7.59
Arcturus Publishing Ltd Bletchley Park Sudoku Puzzles
Book SynopsisThis stylish sudoku collection contains over 100 mind-bending puzzles, produced by the Bletchley Park Trust. Bletchley Park was the British codebreaking HQ during World War II, who deciphered encrypted messages from enemy forces. Bletchley Park once used a crossword competition to select new recruits, and puzzles and codebreaking have been linked in the public mind ever since.Whether you are a keen beginner or a seasoned puzzler, each of these varied sudoku grids will leave you much to ponder and deduce. So follow in the footsteps of the Bletchley Park codebreakers and hone your puzzle-solving skills with this brilliant book. ABOUT THE SERIES: This book forms part of a series of puzzles books produced by the Bletchley Park Trust, a vibrant and fascinating heritage site celebrating the World War II codebreakers who were stationed there. Sales of this book support its running.
£4.99
HarperCollins Publishers The Times Killer Su Doku Book 19
Book SynopsisChallenge yourself with number puzzlesThe latest volume in the hugely popular Killer Su Doku series from The Times, featuring the highest-quality puzzles with an extra element of arithmetic.These puzzles will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.The puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the numbers 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.With 200 new Moderate, Tricky, Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with simple puzzles. These puzzles are for those who like to live dangerously and push beyond their mental comfort zone.
£7.59
Union Square & Co. SecondDegree Green Belt Kakuro
Book SynopsisLooking 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.
£7.59
Union Square & Co. Absolutely Nasty Kakuro Level Three
Book SynopsisKakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes. This title is suitable for hardcore kakuro devotees.
£8.54
Union Square & Co. Way Beyond Black Belt Sudoku R
Book SynopsisGo way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen!
£7.59
HarperCollins Publishers The Times Samurai Su Doku 3
Book SynopsisQuiz your family at home with crosswords, puzzles and games.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.This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues and more complexity.With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book:10 Easy40 Mild40 Difficult10 Super difficultEven the speediest of Su Doku solvers will be agonising over these ultra-complex, extended brain-teasers.These are the most difficult Su Doku puzzles in The Times range.
£10.44
HarperCollins Publishers The Times Samurai Su Doku 11
Book SynopsisFor 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.This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues and more complexity.With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book:10 Easy40 Mild40 Difficult10 Super difficultEven the speediest of Su Doku solvers will be agonising over these ultra-complex, extended brainteasers.These are the most difficult Su Doku puzzles in The Times range.
£9.89
Union Square & Co. Absolutely Nasty Kakuro Level Four
Book SynopsisKakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes. This title is suitable for solvers who have dared to come this far, congratulations.
£8.54
HarperCollins Publishers The Times Killer Su Doku 4
Book SynopsisChallenge yourself at home with word and number puzzlesThe fourth instalment of the successful Times Killer Su Doku series. Adding the challenge of arithmetic and taking Su Doku to a new deadly level of difficulty.The puzzles use the same 9x9 grid as normal Su Doku but with an added mathmatical challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number.With 150 new Killer Su Doku puzzles, you can ease yourself in with the Moderate before taking the plunge and tackling the real killers:20 Moderate50 Tricky50 Tough30 DeadlyFor those who like to live dangerously and push beyond their mental comfort zone, steel yourself for The Times' toughest collection yet.
£7.59
HarperCollins Publishers The Times Samurai Su Doku 2
Book SynopsisQuiz your family at home with crosswords, puzzles and games.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.This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues and more complexity.With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book:30 Mild30 Difficult30 Super difficult10 DeadlyEven the speediest of Su Doku solvers will be agonising over these ultra-complex, extended brain-teasers.These are the most difficult Su Doku puzzles in The Times range.
£10.44
HarperCollins Publishers The Times Killer Su Doku Book 15
Book SynopsisChallenge yourself at home with word and number puzzlesThe 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.This addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.The puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the numbers 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.With 200 new Moderate, Tricky, Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with simple puzzles. For those who like to live dangerously and push beyond their mental comfort zone, steel yourself for The Times'' next, terribly tough instalment.
£7.59
Union Square & Co. Absolutely Nasty Kakuro Level Two
Book SynopsisKakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes.
£8.54
Michael O'Mara Books Ltd Brain Games for Clever Dads
Book SynopsisThis book is brimming with memory, word and number workouts - challenge yourself to some fun with over 100 brain games that will test your skills - and build on them.
£7.59
HarperCollins Publishers The Times Killer Su Doku 5
Book SynopsisChallenge yourself at home with word and number puzzlesThis fifth and toughest addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.The puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number.With 150 new Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with easy puzzles. For those who like to live dangerously and push beyond their mental comfort zone, steel yourself for The Times'' toughest collection yet.
£8.54
Union Square & Co. White Belt Kakuro
Book SynopsisKakuro 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.Trade Review"'Sudoku was great, kakuro is better' The Guardian"
£7.59
HarperCollins Publishers The Times Super Fiendish Su Doku Book 8
Book SynopsisPreviously unpublished quality Su Doku grids from The Times, which help develop your skills to take on Extreme Su Doku.The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge.The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles.Guaranteed to provide hours of mind-stretching entertainment.
£7.59
Andrews McMeel Publishing Pocket Posh Sixy Sudoku Easy to Medium: 200 6x6
Book SynopsisSixy Sudoku puzzles bring a whole new dimension of logic, making a 6 x 6 possibly even more fun than a 9 x 9 Sudoku! There is no plain hard work, just a lot of logic and insight.Peter Ritmeester, founder and owner of PZZL.com, is the inventor of Hyper Sudoku where four gray regions also contain 1-9. By applying this idea to 6 x 6 Sudoku, an additional level of logic is created. Pocket Posh Sixy Sudoku Easy to Medium Puzzles features a foreword, an extensive how-to-play section, 200 easy to medium puzzles, and complete solutions at the back. The rules: insert the digits 1-6 just once in each a) row, b) column, c) bold outlined area AND d) in each white and gray rectangle.
£6.99
HarperCollins Publishers The Times Fiendish Su Doku Book 14
Book SynopsisThe latest title in The Times Fiendish Su Doku series previously unpublished quality Su Doku puzzles. Includes 180 Fiendish and 20 Super Fiendish puzzles.You don't need to be a mathematical genius to solve the treacherous puzzles in this collection of Fiendishly difficult puzzles it's simply a question of logic.Since the first Su Doku puzzle appeared in The Times in November 2004, this classic game of logic has become a phenomenon, with over 5 million copies of the Times Su Doku series sold worldwide.Perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles, and guaranteed to provide hours of mind-stretching entertainment.
£8.20
HarperCollins Publishers Times Samurai Su Doku 12
Book SynopsisFor 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.This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues and more complexity.With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book:10 Easy40 Mild40 Difficult10 Super difficultEven the speediest of Su Doku solvers will be agonising over these ultra-complex, extended brainteasers.These are the most difficult Su Doku puzzles in The Times range.
£10.44
Rockridge Press The Ultimate Brain Health Logic Puzzle Book for
Book Synopsis
£12.34
HarperCollins Publishers Big Book of Su Doku 8
Book SynopsisA 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.You will find the solutions at the back of the book.Keep your mind sharp and test your powers of deductive reasoning. Ideal for whiling away the time while travelling, on holiday or relaxing at home.
£6.99
Bonnier Books Ltd Sudoku
Book Synopsis
£5.10
