Will Shortz Presents Ferocious Sudoku: 200 Hard Puzzles

The New York Times’ crossword editor and NPR’s puzzlemaster invites you to try your hand and mind at solving some incredible brainteasers in Will Shortz Presents Ferocious Sudoku: 200 Hard Puzzles.

Perfectly sized for traveling with big grids for easy solving, discover if you are tough enough to take on the challenge of this collection of 200 devilishly difficult sudoku puzzles!

• Will Shortz Presents Surrender to Sudoku: 200 Irresistibly Hard Puzzles
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• Will Shortz Presents Mind-Melting Sudoku: 200 Cranium-Crushing Puzzles
• Will Shortz Presents The Huge Book of Hard Sudoku: 300 Challenging Puzzles
• Will Shortz Presents Extra Hot Sudoku: 200 Hard Puzzles: Hard Sudoku Volume 1
• Will Shortz Presents Terrifying Sudoku
• Sudoku 3: 200 Puzzles: Hard to Extreme
• Will Shortz Presents Sweater Weather Sudoku: 200 Challenging Puzzles: Hard Sudoku Volume 2
• Beyond Black Belt Sudoku: If you have to ask, it's too hard for you. (Martial Arts Puzzles Series)