The Times Difficult Su Doku Book 2: 200 dreadfully tricky Su Doku puzzles (The Times Su Doku)
by The Times Mind Games
ISBN 13: 9780007307388
Format: Paperback (320 pages) Publisher: Times Books Published: 03 Nov 2008
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Sudoku X Book 1: The Only Puzzle with the 'X' Factor
by Christopher Monckton
ISBN 13: 9780755315017
Format: Paperback (160 pages) Publisher: Headline Published: 25 Jul 2005
Uncle John's Bathroom Puzzler: 365 Logic Puzzles (Puzzlers)
by Bathroom Reader's Hysterical Society
ISBN 13: 9781592238842
Format: Paperback (274 pages) Publisher: Advantage Publishers Group Published: 08 Jan 2009
Sudoku X-mas
ISBN 13: 9780755315024
Format: Hardcover (192 pages) Publisher: Headline Published: 10 Oct 2005
The Times Samurai Su Doku 2: 100 extreme puzzles for the fearless Su Doku warrior (The Times Su Doku)
by . The Times Mind Games
ISBN 13: 9780007250417
Format: Paperback (16 pages) Publisher: Times Books Published: 02 Apr 2007
Strange Curves, Counting Rabbits, & Other Mathematical Explorations
by Keith Ball
ISBN 13: 9780691127972
Format: Paperback (268 pages) Publisher: Princeton University Press Published: 05 Nov 2006
Brain Teasers
by Kiran Srinivas
ISBN 13: 9781885003997
Format: Paperback (130 pages) Publisher: Robert D. Reed Publishers Published: 01 Jan 2002
Mental Fitness Puzzles
by etc., et al, Kyle Hendrickson
ISBN 13: 9780806908991
Format: Paperback (96 pages) Publisher: Sterling Published: 03 Sep 1998
The Times Codeword 2
by Puzzler Media
ISBN 13: 9780007368198
Format: Paperback (192 pages) Publisher: Times Books Published: 08 Jul 2010
More Original Sudoku
by Editors of Nikoli Publishing
ISBN 13: 9780761143970
Format: Illustrated (430 pages) Publisher: Workman Adult Published: 27 Jul 2007
Secrets of the Alchemist Dar: A Treasure's Trove
by Michael Stadther
ISBN 13: 9781416926535
Format: Paperback (144 pages) Publisher: Simon & Schuster Children's Published: 26 Sep 2006
The Great Book of Mind Teasers and Puzzles
by George J. Summers
ISBN 13: 9780806963204
Format: Paperback (256 pages) Publisher: Sterling Juvenile Published: 28 Jul 1986