His best known works include the Our Ancestors trilogy (1952–1959), the Cosmicomics collection of short stories (1965), and the novels Invisible Cities (1972) and If on a winter's night a traveler (1979).
Hasil karyanya yang terkenal adalah trilogi Our Ancestors (1952–1959), kumpulan cerita pendek the Cosmicomics (1965), novel Invisible Cities (1972), dan If on a winter's night a traveler (1979).