Shield
By: Poul Anderson
Series: Berkley medallion book -- F743
Publisher: Berkeley Publishing Corporation
Published: 1963
Place of publication: New York
Language: eng
Number of pages: 158
Subjects: American Science fiction; Extraterrestrial beings; Fiction
Notes: "A short version ... appeared serially in Fantastic stories of imagination, June-July, 1962"--Verso t.p.

First edition according to Currey cited below.

Publisher's ads [2] p. at end.

Currey, L. W. Science fiction and fantasy authors, p. 12