Explorer 1
By: Cleda M. Baldwin, J.A. McKeown, F.L. Barrett.
Contributors: McKeown, J. A.; Barrett, F. L.
Publisher: Copp Clark Pub. Co.
Published: 1981
Place of publication: Toronto
Language: eng
Number of pages: 168
Subjects: Readers (Elementary); Readers -- 1950-
Notes: Continues the author's Voyager series at a more advanced level.

9th print. --