![The Times: Difficult Su Doku Book 2: Bk. 2](http://monsterbookshop.co.uk/cdn/shop/files/9780007307388.jpg?v=1719892816&width=1445)
Quiz your family at home with crosswords, puzzles and games. A collection of 200 Difficult Su Doku puzzles of the highest quality from The Times newspaper. Perfect for the intermediate Su Doku solver in need of a constant supply of challenging puzzles, this book is guaranteed to provide hours of absorbing, brain-stretching entertainment. Since the first Su Doku puzzle appeared in The Times in 2004, they have become a phenomenon, with over 5 million copies of The Times Su Doku books sold worldwide. You don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic. Each puzzle has a unique solution - and there's no guesswork required. The Times Su Doku remains the original, the best and the market leader.