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Product Description
Product Description
This 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.
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By Sudoku Syndication
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Customer Reviews
Most Helpful Customer Reviews
8 of 8 people found the following review helpful
This book is yet another in the excellent range of Killer Sudoku Books - as usual, it is great fun: as a seasoned sudoku player, however, I would prefer fewer of the 'moderate' puzzles, which I find too easy: I'm sure that most of us who get to book 5, are well practised in doing them and probably feel the same.
3 of 3 people found the following review helpful
150 puzzles in the hardest Times collection so far. There are 10 Moderate, 10 Tricky, 30 Tough, and 100 Deadly with the Deadlies having target times between 1 hour and 2 hours 25 minutes. The one negative is that there are too many puzzles that get skipped. A "Moderate" puzzle means too easy to waste time on to people who get their fun with Deadly puzzles.
If you want to make things more difficult you might be able to do what I did. I had always been more attracted to Killer than normal Su Doku. I decided it was about time I learnt how to solve normal Su Doku properly. I bought Fiendish Su Doku and worked my way through it, with a few false starts as I learnt how to break through my usual stumbling blocks. Then I bought Fiendish Su Doku 2 and worked through that too. When I went back to Killer I found I was struggling to find my solving skills with this book (ignoring the easy puzzles). In theory the new skills learnt with normal Su Doku should have helped but I had forgotten some of the various ways of solving Killers. I get there in the end but with much longer solving times than previously.
I'd never written down the techniques I used for Killers. Didn't think I needed to. But I now realise there are so many techniques that can be used on Killers that an extended distraction on Su Doku makes it difficult to remember them all, or to be able to intuit the right one to use at any particular moment.
Oh well, the book is more bangs for my bucks now!
If you want to make things more difficult you might be able to do what I did. I had always been more attracted to Killer than normal Su Doku. I decided it was about time I learnt how to solve normal Su Doku properly. I bought Fiendish Su Doku and worked my way through it, with a few false starts as I learnt how to break through my usual stumbling blocks. Then I bought Fiendish Su Doku 2 and worked through that too. When I went back to Killer I found I was struggling to find my solving skills with this book (ignoring the easy puzzles). In theory the new skills learnt with normal Su Doku should have helped but I had forgotten some of the various ways of solving Killers. I get there in the end but with much longer solving times than previously.
I'd never written down the techniques I used for Killers. Didn't think I needed to. But I now realise there are so many techniques that can be used on Killers that an extended distraction on Su Doku makes it difficult to remember them all, or to be able to intuit the right one to use at any particular moment.
Oh well, the book is more bangs for my bucks now!
1 of 1 people found the following review helpful
I had reached a plateau in solving killer puzzles, but this has helped me to move on. It does not warn you in advance though, that it contains a much higher proportion of "Deadly" category puzzles
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Most Recent Customer Reviews
Killer
As always, Times have come up with another book of excellent Killer Sudoku's. Its a bit of an acquired taste but very addictive
Published 19 months ago by Jonathan
very hard!!
I bought this book for my fiance who is addicted to Sudoku ... the harder the better!
It seems to have done the job because he is struggling with them, much to my delight. :-)
It seems to have done the job because he is struggling with them, much to my delight. :-)
Published on 10 April 2010 by Rhona
thank you
I ws suffering from withdrawal symptons having finished my last sudoku book. Thank you for prompt service
Published on 28 Mar 2010 by wbbookrev
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