The Day of the Brown Horde (cover)
From Author Wars - https://authorwars.com/books/the-day-of-the-brown-horde-cover-1486933.html
Editions/Publications:
- Unknown. Art of Imagination: 20th Century Visions of Science Fiction, Horror, and Fantasy (Unknown, unknown, Collectors Press, ISBN-10: 1888054727, $99.95, 768 pages, Hardcover, Omnibus)
- Unknown. Science Fiction of the 20th Century: An Illustrated History (Unknown, unknown, Collectors Press, ISBN-10: 1888054298, $59.95, 256 pages, Hardcover, Non-fiction)