<p>There’s no better way to have fun and give your brain a workout than by picking up a pen and taking on a new challenge: and this book provides lots of them. With a huge range of different number puzzles, from <b>sudoku and kriss kross to brain chains and kakuro</b>, there are <b>over 150 ways</b> for you to test your mental agility and buff up your number skills... and if you get stuck, the answers are all given in the back.<br><br>Perfect for everyone who relishes a varied challenge, whether they have a ten-minute break or an afternoon of leisure!<br><br>Also in the series:<br><i>Brain Games for Adults</i> (9781789293821) - over 50,000 copies sold in the English language alone<br><i>Word Games for Adults</i> (9781789294712)</p>