Infernally Hard Fireball Crosswords

For masochistic solvers who like their puzzles tough, these 45 fiendishly hard crosswords will hurt so good! Brilliantly executed, with devilishly difficult and clever clues, they're made for the aficionado of the Friday and Saturday offerings from places like the New York Times. Many puzzles have wickedly challenging themes or larger grids, and there are even explanations for the trickiest clues.