Will Shortz Presents Fearsomely Frightful Sudoku: 200 Medium Puzzles
<p>Hungry for more sudoku? <br>Once you've mastered the easy puzzles it's time to take it up a notch!<br>This book is the second in the series that starts with <i>Will Shortz Presents Ferociously Fun Sudoku</i> and ends with <i>Will Shortz Presents Fascinatingly Fierce Sudoku</i>.</p><p>Includes: <br>-200 medium-level puzzles<br>-Perfect portable size<br>-Edited by Will Shortz</p>