Gardner, Martin, 1914-2010.
Aha! Aha! insight / Martin Gardner ; [framed drawings by Jim Glen, diagrs. by Felix Cooper]. - New York : Scientific American, c1978. - viii, 179 p. : ill. ; 24 cm.
Bibliography: p. 171-173.
0894540017
78051259
Mathematical recreations.
Puzzles.
Problem solving.
QA95 / .G23 1978
Aha! Aha! insight / Martin Gardner ; [framed drawings by Jim Glen, diagrs. by Felix Cooper]. - New York : Scientific American, c1978. - viii, 179 p. : ill. ; 24 cm.
Bibliography: p. 171-173.
0894540017
78051259
Mathematical recreations.
Puzzles.
Problem solving.
QA95 / .G23 1978