The IQ Challenge
by Philip J Carter,Ken A Russell
ISBN 13: 9781850792680
Format: Hardcover (368 pages) Publisher: New Orchard Published: 06 Oct 1994
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Challenging IQ Tests
by Philip J Carter
ISBN 13: 9780806904610
Format: Spiral-bound (96 pages) Publisher: No Imprint Published: 01 Oct 1998