Invaders from earth
Subtitle: science fiction
By: by Robert Silverberg
Contributors: Crowley, Don, cover designer
Series: Avon -- S365; Avon -- S365.
Publisher: Avon
Published: 1968
Place of publication: New York]
Language: eng
Number of pages: 142
Subjects: American Science fiction
Notes: See Reginald's Science fiction and fantasy: A checklist, 13105 (Ace Double, 1958 edition).

See Currey's Bibliography of first printings, p. 437 (Ace Books, 1958 edition).