by WillShortz (Author)
Are you up for the challenge? Put your sudoku-solving skills to the test with this collection of ferocious sudoku puzzles!
Features: . 100 challenging puzzles. Edited by legendary New York Times crossword editor Will Shortz. Big grids with lots of space for easy solving"
Format: Paperback
Pages: 128
Edition: 1
Publisher: St. Martin's Griffin
Published: 02 Apr 2009
ISBN 10: 0312541600
ISBN 13: 9780312541606