SF Encyclopedia Picture Gallery
Bruce Cassiday writing as Con Steffanson. Flash Gordon: The Time Trap of Ming XIII (New York: Avon Books, 1973) [tie to Flash Gordon: Flash Gordon: pb/George Wilson]
Image courtesy of Cover Browser
Bruce Cassiday writing as Con Steffanson. Flash Gordon: The Time Trap of Ming XIII (New York: Avon Books, 1973) [tie to Flash Gordon: Flash Gordon: pb/George Wilson]
Image courtesy of Cover Browser