Train Your Brain: A Year's Worth of Puzzles
by George Gratzer
ISBN 13: 9781568817101
Format: Paperback (253 pages) Publisher: A K Peters/CRC Press Published: 11 Apr 2011
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Will Shortz Presents Extreme Sudoku: 100 Challenging Puzzles
by
ISBN 13: 9780312681463
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 15 Feb 2011
Will Shortz Presents Tricky Sudoku
by Will Shortz
ISBN 13: 9780312588380
Format: Paperback (320 pages) Publisher: St Martin's Griffin Published: 06 Jun 2011
The Simple Book of Not-so-simple Puzzles
by Serhiy Grabarchuk,Peter Grabarchuk,Serhiy Grabarchuk Jr.
ISBN 13: 9781568814186
Format: Paperback (119 pages) Publisher: A K Peters/CRC Press Published: 11 Feb 2008
Piano-hinged Dissections: Time to Fold!
by Greg N. Frederickson
ISBN 13: 9781568812991
Format: Hardcover (320 pages) Publisher: A K Peters/CRC Press Published: 30 Nov 2006
Will Shortz Presents Fun in the Sun Kenken: 200 Easy to Hard Logic Puzzles That Make You Smarter
by Tetsuya Miyamoto
ISBN 13: 9780312590642
Format: Paperback (240 pages) Publisher: St. Martin's Griffin Published: 24 May 2011
Sudoku Puzzle Pad: Hard to Extreme: v. 3
ISBN 13: 9781452101743
Format: Hardcover (262 pages) Publisher: Chronicle Books Published: 01 Sep 2011
Legacy of the Luoshu: The Mystical, Mathematical Meaning of the Magic Square of Order Three
by Frank Swetz
ISBN 13: 9781568814278
Format: Hardcover (228 pages) Publisher: A K Peters/CRC Press Published: 16 Jun 2008
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
Will Shortz Presents Kenken Easy to Hard, Volume 3: 100 Logic Puzzles That Make You Smarter
ISBN 13: 9780312546366
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 14 Oct 2008
THE BIG BOOK OF KILLER SU DOKU
by Mark Huckvale
ISBN 13: 9780752880938
Format: Paperback (320 pages) Publisher: Orion (an Imprint of The Orion Publishing Group Lt Published: 02 Feb 2006