The Lost City of Mars

From Author Wars - https://authorwars.com/books/the-lost-city-of-mars-3093832.html

Overview:

Title: The Lost City of Mars
Author: Franz Altschuler
Year: 1967
Type: Interior Art

Editions/Publications:

Unknown. Playboy, January 1967 (Unknown, Franz Altschuler, $1.25, 276 pages, unknown, MAGAZINE)