These Savage Futurians

From Author Wars - https://authorwars.com/books/these-savage-futurians-963368.html

Overview:

Title: These Savage Futurians
Author: Jack Gaughan
Year: 1967
Type: Interior Art

Editions/Publications:

Unknown. These Savage Futurians / The Double Invaders (Unknown, Jack Gaughan, Ace Books, $0.50, 120+134 pages, dos, Omnibus)