Synopsis
Are you tough enough?Take on this collection of 200 devilishly difficult sudoku puzzles and find out! Includes: -200 hard puzzles-Perfect portable size-Edited by Will Shortz Also in the series: -Will Shortz Presents Tough Sudoku -Will Shortz Presents Terrifying Sudoku
Book details
Published
01/02/2010
Publisher
Saint Martin's Griffin,U.S.
ISBN
9780312607883
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