The Puzzle Doctor: Kenken Mania: 150 Easy to Hard Logic Puzzles That Make You Smarter (Will Shortz Presents...)
by Tetsuya Miyamoto
ISBN 13: 9780312681494
Format: Paperback (240 pages) Publisher: St. Martin's Griffin Published: 24 May 2011
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Sudoku Puzzle Pad: Hard to Extreme: v. 3
by
ISBN 13: 9781452101743
Format: Hardcover (262 pages) Publisher: Chronicle Books Published: 01 Sep 2011
Will Shortz Presents Supreme Sudoku: 1000 Wordless Crossword Puzzles
ISBN 13: 9780312681517
Format: Paperback (560 pages) Publisher: St. Martin's Griffin Published: 12 Apr 2011
Brain Games (Brain Games (Numbered))
ISBN 13: 9781412714501
Format: Spiral-bound (192 pages) Publisher: Publications International Published: Apr 2009
Amazing Places Picture Puzzles (Brain Games (Unnumbered))
by Holli Fort, Laura Pearson
ISBN 13: 9781412798051
Format: Spiral-bound (192 pages) Publisher: Publications International Published: May 2009
Will Shortz Presents Sudoku for Christmas: 300 Easy to Hard Puzzles
by Will Shortz
ISBN 13: 9780312640309
Format: Paperback (384 pages) Publisher: St. Martin's Griffin Published: 11 Oct 2011
Sudoku: 215 Puzzles: From Beginner to Expert
by Marcel Danesi
ISBN 13: 9780446618649
Format: Mass Market Paperback (240 pages) Publisher: Warner US Published: 06 Jul 2006
Will Shortz Presents Brain-Busting Kenken: 100 Challenging Logic Puzzles That Make You Smarter
ISBN 13: 9780312681432
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 15 Feb 2011
Jumble Sensation
by Triumph Books
ISBN 13: 9781600785481
Format: Paperback (192 pages) Publisher: Triumph Books (IL) Published: Mar 2011