More Joy of Mathematics: Exploring Mathematical Insights and Concepts
by Theoni Pappas
ISBN 13: 9780933174733
Format: Paperback (256 pages) Publisher: Wide World Publishing Published: 11 Feb 1993
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Little Giant Encyclopedia: IQ Tests: (Little Giant Encyclopedia)
by Philip J. Carter, Kenneth A. Russell
ISBN 13: 9781402754678
Format: Paperback (512 pages) Publisher: Sterling Published: 01 Aug 2008
Great Critical Thinking Puzzles
by Michael A. DiSpezio, Myron Miller
ISBN 13: 9780806997254
Format: Paperback (96 pages) Publisher: Sterling Published: 25 Sep 1997
30 Second Mysteries [With Spinner]
by Robert Moog, Jeff Pinsker
ISBN 13: 9781575289076
Format: Toy (240 pages) Publisher: University Games Published: Apr 2003
The Times Hashi (The Times Puzzle Books)
by Puzzler Media Ltd Trevor Truran
ISBN 13: 9780007240685
Format: Paperback (256 pages) Publisher: Collins Reference Published: 05 Jun 2006
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
Cunning Lateral Thinking Puzzles
by Paul Sloane,Des MacHale
ISBN 13: 9781402732751
Format: Paperback (96 pages) Publisher: Sterling Published: 01 Feb 2007
Brain-Busting Lateral Thinking Puzzles
ISBN 13: 9781402712494
Format: Large Print (192 pages) Publisher: Sterling Published: 22 Sep 2004
Travel Logic Puzzles (Sit & Solve)
by Mark Zegarelli
ISBN 13: 9781402724015
Format: Paperback (96 pages) Publisher: Sterling Published: 24 Aug 2006
Whodunit Crime Mysteries
by Hy Conrad
ISBN 13: 9781402706462
Format: Paperback (96 pages) Publisher: Sterling Juvenile Published: 08 Apr 2004
Speedword Sudoku
by Stephen Leahy
ISBN 13: 9780755315529
Format: Paperback (208 pages) Publisher: Headline Published: 03 Apr 2006
Su Doku Medal Quartet - Su Doku Silver
by Wayne Gould
ISBN 13: 9780007274482
Format: Paperback (240 pages) Publisher: Collins Published: 01 Sep 2008