SF Encyclopedia Picture Gallery
Ron Goulart. The Prisoner of Blackwood Castle (New York: Avon Books, 1984) [Harry Challenge: pb/James Warhola]
Image courtesy of Clute Science Fiction Library at Telluride
Ron Goulart. The Prisoner of Blackwood Castle (New York: Avon Books, 1984) [Harry Challenge: pb/James Warhola]
Image courtesy of Clute Science Fiction Library at Telluride