<p><b>The next in our new series of only the toughest puzzles for serious sudoku solvers! <br><br></b>Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp!<br><br>Features:<br>- 200 hard puzzles<br>- Big grids for easy solving<br>- Introduction by legendary puzzlemaster Will Shortz</p>