A collection of 200 previously unpublished Difficult Su Doku puzzles of the highest quality from the Su Doku suppliers to The Times newspaper.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 November 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...
A collection of 200 previously unpublished Difficult Su Doku puzzles of the highest quality from the Su Doku suppliers to The Times newspaper. Perf...
With its larger and more complex grid, Samurai is Su Doku multiplied. With a five grid interlinked system, every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues, and more complexity. With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book: 30 Mild, 30 Difficult, 30 Super difficult, and 10 Deadly. Even the speediest of Su Doku solvers will be agonizing over these ultra-complex, extended brain-teasers.
With its larger and more complex grid, Samurai is Su Doku multiplied. With a five grid interlinked system, every column, row and 3x3 box must contain ...
