When his books made little money despite being critically acclaimed, he vowed to write a bestseller. The Godfather (1969) was an enormous success. He collaborated with director Francis Ford Coppola on the screenplays for all three Godfather movies and won Academy Awards for both The Godfather (1972) and The Godfather, Part II (1974). He also collaborated on the scripts for such films as Superman (1978), Superman II (1981), and The Cotton Club (1984). He continued to write phenomenally successful novels, Including Fools Die (1978), The Sicilian (1984), The Fourth K (1991), and The Last Don (1996). Mario Puzo died on July 2, 1999. His final novel, Omerta, was published in 2000.