This volume is part of a collection of easy, medium, and hard crossword puzzle books from The New York Times.

If you love the challenge that comes with the hardest crossword puzzles, you've met your match with this seriously hard collection of 200 Friday and Saturday New York Times crosswords.

Features:

• 200 of the most difficult puzzles from the Times
• Puzzles edited by crossword-legend Will Shortz
• Convenient, portable, paperback size for on-the-go solving