I bought this book on end December 2007 for my father who is a very advanced Sudoku player. Unfortunately, there are not any advanced Sudoku books in the Greek market (where we live) so every time I have to buy for him books from Europe, where I travel alot. I have found very strong puzzle books in the UK and in Germany but the books containing techniques and strategies were always "basic" with rather obvious hints for the very advanced player.I didn't know the actual content of the book before buying it so I didn't have many expectations. My father was thrilled with it and after reading it he was able to implement the techniques in solving some diabolical puzzles that he couldn't before. He recommends it as the best Sudoku book he has read. ... Read More:
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