The New York Times Will Shortz Presents the Dangerous Book of Crosswords: 75 Daring Puzzles

Are you tough enough?

Only for the bravest crossword solvers, this collection contains 75 fiendish Saturday puzzles Put your solving skills to the ultimate test and see if you're tough enogh for these devious puzzles.

Features:
-Seventy-five of the "Times'" toughest puzzles
-Portable format is perfect for travel or solving at home
-Edited by the biggest name in crosswords, Will Shortz.