The Times Killer Su Doku 2: 100 lethal Su Doku puzzles (The Times Su Doku)
by Times Mind Games
ISBN 13: 9780007236176
Format: paperback Publisher: Times Books
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ULTIMATE SUDOKU CHALLENGE
by Will Shortz
ISBN 13: 9780312358150
Format: Paperback (130 pages) Publisher: St. Martins Press-3PL Published: 26 May 2006
Killer Sudoku
by Virgin Books
ISBN 13: 9780753511589
Format: Paperback (144 pages) Publisher: Virgin Books Published: 09 Nov 2006
Unofficial IEEE Brainbuster Gamebook: Mental Workouts for the Technically Inclined
by Donald R. Mack
ISBN 13: 9780780304239
Format: Paperback (148 pages) Publisher: John Wiley & Sons Published: 31 Jul 1992
Simply Scary Sudoku
ISBN 13: 9780312541620
Format: Paperback (320 pages) Publisher: Griffin,U.S. Published: 02 May 2009
Cracking Codes and Cryptograms for Dummies
by Denise Sutherland,Mark Koltko-Rivera
ISBN 13: 9780470591000
Format: Illustrated (336 pages) Publisher: For Dummies Published: 27 Oct 2009
Brain Power: Learn To Improve Your Thinking Skills
by Karl Albrecht
ISBN 13: 9780671761981
Format: Illustrated (320 pages) Publisher: Touchstone Published: 01 Oct 1994
The Times Samurai Su Doku: 100 extreme puzzles for the fearless Su Doku warrior (The Times Su Doku)
by . The Times Mind Games
ISBN 13: 9780007241651
Format: Paperback (224 pages) Publisher: Times Books Published: 04 Sep 2006
The Original Sudoku Book 2
by Editors of Nikoli Publishing
ISBN 13: 9780761142966
Format: Illustrated (444 pages) Publisher: Workman Adult Published: 24 Feb 2006
Will Shortz Presents The Dangerous Book of Sudoku: 100 Devilishly Difficult Puzzles
ISBN 13: 9780312541606
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 02 Apr 2009
The Colossal Book of Mathematics
by Martin Gardner
ISBN 13: 9780393020236
Format: Illustrated (736 pages) Publisher: W. W. Norton & Company Published: 20 Jan 2004
Adventures in Group Theory: Rubik's Cube, Merlin's Machine, and Other Mathematical Toys
by David Joyner
ISBN 13: 9780801890130
Format: Illustrated (328 pages) Publisher: Johns Hopkins University Press Published: 01 Dec 2008