Mensa Kids Brain Busters: Number Crunching Puzzles (Mensa Brain Busters)
by Harold Gale,Carolyn Skitt
ISBN 13: 9781847324870
Format: Paperback (224 pages) Publisher: Carlton Books Ltd Published: 04 Mar 2010
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Mensa Boost Your IQ: 2 (Mensa adult titles)
ISBN 13: 9781858683119
Format: Paperback (224 pages) Publisher: Carlton Books Ltd Published: 01 Jun 1997 Other Format: Paperback
Mensa
ISBN 13: 9781847321008
Format: Paperback (224 pages) Publisher: Carlton Books Ltd Published: 04 Aug 2008
"Times" Tournament of the Mind
by Harold Gale,etc., Nathan Tromans, Carole Clarke
ISBN 13: 9780723003120
Format: Hardcover (112 pages) Publisher: Times Books Published: 27 Oct 1988
Lost treasure of the Pharaoh
by Harold Gale,Robert Allen
ISBN 13: 9781872122151
Format: Paperback Publisher: Mensa Published: 01 Jan 1990