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Improve Your IQ on the Loo: Puzzles That’ll Make You Flip Your Lid

by Fraser Simpson

ISBN 13: 9781454944744

Format: Paperback (128 pages)
Publisher: Puzzlewright
Published: 19 Jan 2023

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The Healthy Brain Book of IQ Puzzles (Healthy Brain Puzzles)

by Fraser Simpson

ISBN 13: 9781454941248

Format: Flexibound (128 pages)
Publisher: Sterling
Published: 07 Aug 2021

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