Ken Ken is the brilliant successor to Su Doku that's taken Japan by storm selling over one million copies in less than a year. In collaboration with The Times, Collins
- the no 1 puzzle publisher
- are proud to be bringing it to the UK. Ken Ken is a new type of brain-training puzzle based on logic & simple arithmetic. Perfect for all ages & highly addictive, Ken Ken puzzles challenge & 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 & Ken Ken translates as 'square wisdom'. It's a new type of puzzle based on simple arithmetic & each puzzle involves some or all of the following skills: addition, subtraction, multiplication & division. As with Su Doku there are clearly defined levels for each type of puzzle from beginner & intermediate to advanced & the puzzles can be on any size grid, from 3 x 3 up to 9 x 9. The puzzles improve numeracy, logical thinking, concentration & perseverance. Can you Ken Ken?

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Ken Ken is the brilliant successor to Su Doku that's taken Japan by storm selling over one million copies in less than a year. In collaboration with The Times, Collins
- the no 1 puzzle publisher
- are proud to be bringing it to the UK. Ken Ken is a new type of brain-training puzzle based on logic & simple arithmetic. Perfect for all ages & highly addictive, Ken Ken puzzles challenge & 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 & Ken Ken translates as 'square wisdom'. It's a new type of puzzle based on simple arithmetic & each puzzle involves some or all of the following skills: addition, subtraction, multiplication & division. As with Su Doku there are clearly defined levels for each type of puzzle from beginner & intermediate to advanced & the puzzles can be on any size grid, from 3 x 3 up to 9 x 9. The puzzles improve numeracy, logical thinking, concentration & perseverance. Can you Ken Ken?

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Beware: The Times Killer Su Doku gets about as close as possible to the label 'unputdownable'. In Book 2, the challenge continues with the emphasis on the tougher & more deadly puzzles. Prepare to be rattled. Killer Su Doku takes the number placing puzzle to the next level by adding an element of arithmetic. One cannot rely on logic alone. The puzzle uses the same 9x 9 grid but there is a double test. The aim is not only to complete every row, column & cube so that it contains the digits 1-9, the numbers within a second dotted-line grid have to add up to a specific total. Included are some Gentle & Moderate puzzles to serve as a warm-up but the emphasis is on the Tricky, Tough & Deadly levels. The word 'fiendish' doesn't even come close! ...

The fourth installment of the successful Times Killer Su Doku series. Adding the challenge of arithmetic & taking Su Doku to a new deadly level of difficulty. The puzzles use the same 9x 9 grid as normal Su Doku but with an added mathmatical challenge. The aim is not only to complete every row, column & 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 & tackling the real killers: 20 Moderate 50 Tricky 50 Tough 30 Deadly For those who like to live dangerously & push beyond their mental comfort zone, steel yourself for The Times' toughest collection yet. ...

This sixth & toughest addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic & taking Su Doku to a new & even deadlier level of difficulty. The puzzles use the same 9x 9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column & 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. With 150 new Tough & Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with easy puzzles. For those who like to live dangerously & push beyond their mental comfort zone, steel yourself for The Times' toughest collection yet. ...

To feed the nation's addiction further, here is the sixth installment of The Times Su Doku puzzles. Now with even more puzzles for the hardened Su Doku addict, The Times Su Doku Book 6 contains 150 puzzles, ranging from mercifully Mild to the uber challenging Super fiendish. 40 Mild puzzles 50 Difficult puzzles 50 Fiendish puzzles 10 Super fiendish puzzles With brand new puzzle suppliers, market-leader The Times offers a whole new collection of numerical conundrums for your brain to wrangle with. ...

With the massive appetite for Su Doku puzzles seemingly insatiable, The Times brings you another offering to satisfy those cravings. With enough puzzles to satisfy even the most avid Su Doku addict, The Times Su Doku Book 7 contains 150 mind-bending variations of the devilish number grid, including: 40 Mild puzzles 50 Difficult puzzles 50 Fiendish puzzles 10 Super fiendish With their new puzzle suppliers, market-leaders The Times continue to offer the best Su Doku puzzles. Four levels of difficulty put your logic to the ultimate test. ...

The eighth installment of the best-selling Times Su Doku series to feed the nation's desire for yet more Su Doku puzzles. Su Doku is the biggest craze to hit The Times since the first crossword was published in 1930. From obscure origins, the wordless puzzle is now the hottest challenge to readers of The Times & has generated huge interest. The Times Su Doku Book 8 contains 150 mind-bending variations ranging from mercifully Mild to the uber challenging Super fiendish: 20 Mild puzzles 50 Difficult puzzles 50 Fiendish puzzles 30 Super fiendish The Times continue to offer superior Su Doku puzzles from their suppliers, Sudoku Syndication, that will put your logic to the ultimate test. ...

The fourth collection of the best-selling Times Su Doku puzzles, with exclusive ' Alpha Doku' letter puzzles. The Times Su Doku Book 4

Includes:: exclusive ' Alpha Doku' LETTER PUZZLES 5 Easy Puzzles 30 Mild Puzzles 5 ' Alpha Doku' Letter puzzles 40 Difficult puzzles 20 Fiendish puzzles For those still in the dark, Su Doku is a number grid consisting of 9 large squares each divided into 9 smaller squares. You must complete the grid so that every column, every row & every 3x 3 box contains the digits 1 to 9. Wayne Gould, 59, is the brains behind this new craze. Now retired, he was a High Court judge in Hong Kong. People everywhere are crazy about Su Doku. Find out what all the fuss is about by having a crack at The Times Su Doku, the original, the best & the market-leader.

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Give your memory a workout & hone your general knowledge with 80 definition-only puzzles from The Times T2 section. Containing 80 definition-only puzzles all reflecting the T2's unique style, & encompassing a wide range of topics from geography, to literature, history & culture, this collection will test your word power & boost your general knowledge to boot. Compiled by the T2 Crossword Editor, John Grimshaw, & taken from the T2 section of The Times, these quick accessible puzzles are utterly absorbing & addictive, yet concise enough to be completed on the move. With clues that are satisfyingly skilful & solutions helpfully provided at the back of the book, Times T2 Crossword Book 12 is guaranteed to entertain your brain. ...