The Big Book Of Killer Su Doku Av Mark Huckvale

<p><b>Just when you thought su doku couldn't get any harder... 200 all new KILLER SU DOKU puzzles!</b><br><br>So, you can do the standard su doku puzzles; jigsaw su doku is no problem for you; you've even mastered the fiendish kakuro puzzles. <br><br>What's next? KILLER SU DOKU! <br><br>Killer Su Doku puzzles have a su doku grid, but also have sets of linked cells which indicate the sum to which the digits in those cells need to total.<br>That's all you need to know.<br><br>Included in this book:<br><br>midi killer su doku<br>hard killer su doku<br>challenging killer su doku<br>monster killer su doku<br><br>Step up to the challenge - and get the killer su doku bug!</p>