Cover art for Swordsman of Mars

From Author Wars - https://authorwars.com/books/cover-art-for-swordsman-of-mars-2187491.html

Overview:

Title: Cover art for Swordsman of Mars
Author: Ed Emshwiller
Year: 2017
Type: Interior Art

Editions/Publications:

Unknown. Weinberg Tales (Unknown, Ed Emshwiller, American Fantasy Press, ISBN-10: 9780990784661, $25.00, 270 pages, Trade Paperback, Non-fiction)