Will Shortz Presents Zesty Sudoku : 200 Hard Puzzles, Paperback by Shortz, Will (EDT), ISBN 0312565437, ISBN-13 9780312565435, Brand New, Free shipping in the US

<p>Need a bit more spice in you sudoku?<br>Take on this collection of 200 devilishly difficult sudoku puzzles!<br><br>Includes: <br>-200 hard puzzles<br>-Perfect portable size<br>-Edited by Will Shortz</p>