The Warriors of Terra

From Author Wars - https://authorwars.com/books/the-warriors-of-terra-1125272.html

Overview:

Title: The Warriors of Terra
Author: O'Brien
Year: 1970
Type: Cover Art

Variant Titles:

Editions/Publications:

Unknown. The Warriors of Terra (Unknown, O'Brien, Belmont Books, $0.75, 175 pages, Paperback, Novel)
Unknown. The Warriors of Terra (Unknown, O'Brien, Belmont Books, C$0.75, 175 pages, Paperback, Novel)