The Times Difficult Su Doku Book 7 None Edition

At my age I need something to keep my brain active so I always have a book next to the loo They are the most difficult in this series which can be solved purely by logic. Fiendish and Super Fiendish require a certain amount of empiricism which - in my opinion - takes them out of the category of 'pure logic' puzzles.

Just the right level for a 10-15 minute work out

This was order for my husband as part of Xmas presents. He likes to do sudoku and it is just the correct difficulty for him. I have also ordered the rest of the books on this difficulty so he has something to occupy him

Lovely book of puzzles. I don't like buying the books with maximum levels. I've worked up to doing difficult so that is what I want to do each time! Very pleased with this - I will continue to buy the others as I progress through each one.

I used this product on a 28-day cruise to the Caribbean

Bought as a present for my aunt, she has almost completed it

Excellent. Very happy.

This level (Difficult) is the most suitable for me - challenging but almost always finishable. What more can I say?

OK

Good

Not as difficult as I imagined

Bought this for my wife who loves Sudoku. She was delighted with this product