The next in our newest series featuring only the toughest crossword puzzles from The New York Times!Are you ready for your next challenge? The Time's Friday and Saturday crossword puzzles are the most difficult puzzles yet, but once they're conquered, you'll join the ranks of all the puzzle masters!Features:- 50 of the Time's most challenging puzzles- Spiral binding for convenient lay-flat solving- Puzzles edited by the #1 name in crosswords, Will Shortz.