Aha! Aha! insight / Martin Gardner ; [framed drawings by Jim Glen, diagrs. by Felix Cooper]

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Bibliographic Details
Online Access:	Full Text (via Internet Archive)
Main Author:	Gardner, Martin, 1914-
Format:	eBook
Language:	English
Published:	New York : Scientific American, c1978.
Subjects:	Mathematical recreations. Puzzles. Problem solving.

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Holdings details from Online
Call Number:	QA95 .G23
QA95 .G23	Available