5934001
9780312382759
Ready for more of a challenge? Once you've mastered the easy puzzles it's time to take it up a notch! Includes: -200 medium-level puzzles -Perfect portable size -Edited by Will ShortzShortz, Will is the author of 'Will Shortz Presents Wild Sudoku', published 2008 under ISBN 9780312382759 and ISBN 0312382758.
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