<p>This book will challenge seasoned KenKen players, enhance their solving techniques, and provide hours of fun puzzle play and brain training.</p><p><strong>NEW RULES ARE INTRODUCED ...</strong></p>
<ul>
<li><strong>Limited-operations puzzles,</strong> where puzzles may contain only addition, only subtraction, or a mix of addition and subtraction.</li>
<li><strong>No-operations puzzles,</strong> where puzzles will use all four operations including multiplication and division, but YOU have to figure out which operations to use.</li>
</ul>

<p><strong>... AND A BRAND NEW PUZZLE</strong></p>
<p><strong>Twist puzzles</strong> where instead of using 1 to 6 for a 6 x 6 puzzle as you do in regular KenKen, you&#39;ll use a different candidate set each time. In one puzzle, you might use {1, 2, 3, 7, 8, 9}; in another, you might use {2, 4, 6, 7, 8, 9}. Different combinations will present exciting new challenges.</p>
<p><strong>No puzzle involves guesswork ... </strong>there is always a logical way in!</p>
<p><strong>This collection of 6 x 6 puzzles is perfect for any experienced KenKen player ... </strong>from beginner to expert!</p>
<p><strong>Hours of Fun, Challenges and ultimate Satisfaction!!</strong></p>
<p>KenKen is an exciting, mind-expanding puzzle based on 'The Art of Teaching without Teaching', an ingenious teaching philosophy developed by KenKen&#39;s creator and renowned educator, Tetsuya Miyamoto.</p>