Extra-Terrestrial Life: An Astronomer's Theory
From Author Wars - https://authorwars.com/books/extra-terrestrial-life-an-astronomers-theory-118502.html
Overview:
Editions/Publications:
- Unknown. Amazing Stories, June 1962 (Unknown, Ben Bova, Ziff-Davis Publishing Company, $0.35, 148 pages, digest, MAGAZINE)
- Unknown. Thrilling Science Fiction, October 1974 (Unknown, Ben Bova, Ultimate Publishing Co., Inc., $0.75, 132 pages, digest, MAGAZINE)