"The Rainbow-Man attacks" 1980's sci-fi fantasy book cover style 
"The Rainbow-Man attacks" 1980's sci-fi fantasy book cover style --ar 3:2
"The Rainbow-Man attacks" 1980's sci-fi fantasy book cover style
a man in a suit holding a lightning bolt in front of a rainbow
an image of a man reading a book with a rainbow background
a poster for the ragnaroon
a man in a leather jacket reading a book