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Dr. Zed's Sensational Science Activities /
by Penrose, Gordon,
Publication:
Toronto : Greey de Pencier Books, 1990
. 48 p. :
, Inlcudes index.
28 cm.
Date:1990
Availability:
Copies available:
(1),
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Magic mud and other great experiments /
by Penrose, Gordon.
Publication:
Toronto, Ont. : Greey de Pencier Books, 1987
. 48 p. :
, Includes index. | On cover: The best of Dr. Zed's brilliant science activities.
28 cm.
Date:1987
Availability:
Copies available:
(1),
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