IQ Testing: 400 Ways to Evaluate Your Brainpower (The IQ Workout Series)
by Philip Carter,Ken Russell
ISBN 13: 9780471531456
Format: Paperback (176 pages) Publisher: Capstone Published: 29 May 2001
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200 Difficult Sudoku Puzzles
by Peter Greene
ISBN 13: 9780955141317
Format: Paperback (132 pages) Publisher: Greene Hill Publishing Limited Published: 10 Oct 2005
Fabulous Fun with Puzzles: Using Words, Numbers, Paper, Coin and Matches
by J. Leeming
ISBN 13: 9781603200349
Format: Paperback (224 pages) Publisher: Time Inc Home Entertaiment Published: 31 Oct 2008
Great Lateral Thinking Puzzles
by Paul Sloane,Des MacHale,Myron Miller
ISBN 13: 9780806905532
Format: Paperback (96 pages) Publisher: No Imprint Published: 05 May 1994
Brain-training: Quick 2 (Brain Training Puzzles): Book 2
by Carlton Books
ISBN 13: 9781847322005
Format: Paperback (176 pages) Publisher: Carlton Books Ltd Published: 01 Sep 2008
Train the Brain: Use It Or Lose It
by Gareth Moore
ISBN 13: 9781843173052
Format: Paperback (192 pages) Publisher: Michael O'Mara Published: 15 May 2008
Mensa Mighty Brain Teasers
by Robert Allen, Dave Chatten, Carolyn Skitt
ISBN 13: 9781844424443
Format: Paperback (400 pages) Publisher: Carlton Books Ltd Published: 02 May 2005
Break-through Su Doku: From Difficult to Fiendish (Collins Su Doku)
by Gould
ISBN 13: 9780007302215
Format: Paperback (208 pages) Publisher: Collins Reference Published: 18 Mar 2011
The Little Book of Sudoku 6
by Alastair Chisholm
ISBN 13: 9781843171874
Format: Paperback (224 pages) Publisher: Michael O'Mara Books Ltd Published: 15 Jun 2006
The Daily Telegraph Book of Griddlers 1
by Telegraph Group Limited,James Dalgety
ISBN 13: 9780330391351
Format: Paperback (128 pages) Publisher: Pan Books Published: 13 Aug 1999
Classic Lateral Thinking Challenges
by Paul Sloane,Des MacHale
ISBN 13: 9781402723612
Format: Hardcover (288 pages) Publisher: Main Street Press Published: 30 Mar 2005
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