The Essential IQ Workout
by Norman Sullivan
ISBN 13: 9780706376487
Format: Paperback (144 pages) Publisher: Cassell Illustrated Published: 23 Oct 1997
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The Times Book of IQ Tests: Book Two: 2
by Ken Russell, Philip Carter
ISBN 13: 9780749437336
Format: Paperback (192 pages) Publisher: Kogan page Published: 15 Jan 2002 Other Format: Paperback
The Times Difficult Su Doku Book 1: 200 dreadfully tricky Su Doku puzzles (The Times Su Doku)
by . Gould
ISBN 13: 9780007232529
Format: Paperback (320 pages) Publisher: HarperCollins UK Published: 01 Apr 2006 Other Format: Paperback
Black Belt Kakuro: 150 Puzzles (Martial Arts Puzzles Series)
by Conceptis Puzzles
ISBN 13: 9781402739361
Format: Illustrated (192 pages) Publisher: Puzzlewright Published: 28 Aug 2006
Solve the Mystery: 41 Puzzling Cases (Dover Children's Activity Books)
by A.C. Gordon
ISBN 13: 9780486296623
Format: Paperback (64 pages) Publisher: Dover Publications Inc Published: 21 Aug 1997
The Times Killer Su Doku 6
by Sudoku Syndication
ISBN 13: 9780007319695
Format: Paperback (256 pages) Publisher: Times Books Published: 01 Apr 2010
The Kakuro Challenge 1
by Alastair Chisholm
ISBN 13: 9780802715289
Format: Paperback (256 pages) Publisher: Walker & Company Published: 08 Dec 2005 Other Format: Paperback
Brainbenders: Brain Teasers
by NA
ISBN 13: 9781841937779
Format: Paperback (128 pages) Publisher: Arcturus Publishing Published: 01 Jun 2006
Can You Believe Your Eyes?..........: Over 250 Illusions and Other Visual Oddities
by J. Richard Block,Harold Yuker
ISBN 13: 9780876306956
Format: Hardcover (256 pages) Publisher: Routledge Published: 01 Jan 1988 Other Format: Paperback
Utterly Trivial Knowledge: The Music Game
by J. Denny
ISBN 13: 9780140084498
Format: Paperback (160 pages) Publisher: Penguin Published: 26 Sep 1985
Tricky Lateral Thinking Puzzles
by Des MacHale, Paul Sloane, Myron Miller
ISBN 13: 9780806912486
Format: Paperback (96 pages) Publisher: Sterling Published: 17 Feb 2000
Original Sudoku
by Editors of Nikoli Publishing
ISBN 13: 9780761142157
Format: Paperback (405 pages) Publisher: Workman Publishing Published: 14 Nov 2005