The 10th installment of the best-selling Times Su Doku series will feed puzzlers'
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 has generated huge interest. This collection contains 20 Mild puzzles, 50 Difficult puzzles, 50 Fiendish puzzles, and 30 Super fiendish, to put your logic to the ultimate test.