Will Shortz Presents Ferocious Sudoku: 200 Hard Puzzles

Are you tough enough? Take on this collection of 200 devilishly difficult sudoku puzzles!

Includes:

-200 hard puzzles

-Perfect portable size

-Big grids for easy solving

• Author
• Will Shortz

• Format
• paperback

• Pages
• 320

• Publisher
• St. Martin's Griffin

• Language
• english

• ISBN
• 978-0-312-38276-6

• EAN
• 9780312382766

• Genres
• puzzles

• Release date
• 2008