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Dr. Zed's science surprises /
by Penrose, Gordon,
Publication:
Toronto : Greey de Pencier Books, 1989
. 32 p. :
, "Chickadee magazine, for young children"--Cover.
26 cm.
Date:1989
Availability:
Copies available:
(1),
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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
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Copies available:
(1),
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Science fun : hands-on science with Dr. Zed /
by Penrose, Gordon,
Publication:
Toronto : Owl Books, 1998
. 80 p. :
, Includes index.
26 cm.
Date:1998
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Copies available:
(2),
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More science surprises from Dr. Zed /
by Penrose, Gordon,
Publication:
Toronto : Greey de Pencier Books, 1992
. 32 p. :
, Includes index. | "OWL book".
26 cm.
Date:1992
Availability:
Copies available:
(1),
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