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Colorful Puzzles for Wise Eyes

by Keith Kay

ISBN 13: 9781402732775

Format: Paperback (96 pages)
Publisher: Sterling
Published: 01 Feb 2008

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Optical Illusions

by Gyles Brandreth,Michael A. DiSpezio,Katherine Joyce,Keith Kay,Charles H. Paraquin

ISBN 13: 9781402788024

Format: Paperback (280 pages)
Publisher: Sterling
Published: 07 May 2011

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500 Optical Illusions

by Keith Kay,The Diagram Group

ISBN 13: 9781454911395

Format: Illustrated (420 pages)
Publisher: Sterling
Published: 07 Sep 2014

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