Sudoku Difficult Puzzles for Pros

<strong>DIFFICULT PUZZLES</strong> This book provides the ultimate challenge for all sudoku fans who want to become veritable masters of this brilliant number puzzle: 160 ultra - tricky sudokus require a talent for combining, the ability to concentrate- and patience. Anyone can find out whether they have what it takes to become a Sudoku master. Brilliantly simple and yet surprisingly tricky - sudoku provides deluxe puzzling fun! <ul> <li>Easy explanation of the rules</li> <li>Tips and tricks to help you find the solutions</li> <li>All solutions at the end</li> </ul>