The New York Times Delightfully Difficult Crosswords: 150 Hard Puzzles, Paperback

It's the best of both
Finally a crossword omnibus that packs hours of puzzling fun into one portable package. And there's nothing like the thrill of solving a particualrly clever crossword

* 150 challenging New York Times crosswords
* Portable and perfect for solving on the go
* Edited by the #1 man in American crosswords, Will Shortz