Behind the Gates of Terra

From Author Wars - https://authorwars.com/books/behind-the-gates-of-terra-2955536.html

Overview:

Title: Behind the Gates of Terra
Author: Boris Vallejo
Year: 1978
Type: Interior Art

Editions/Publications:

Unknown. Future, July 1978 (Unknown, Boris Vallejo, Future Magazine, Inc., $1.75, 80 pages, quarto, MAGAZINE)