Satan's World (Part 4 of 4)

From Author Wars - https://authorwars.com/books/satans-world-part-4-of-4-831438.html

Overview:

Title: Satan's World (Part 4 of 4)
Author: Kelly Freas
Year: 1968
Type: Interior Art

Editions/Publications:

Unknown. Analog Science Fiction -> Science Fact, August 1968 (Unknown, Kelly Freas, Condé Nast, $0.60, 180 pages, digest, MAGAZINE)