'Prometheus.' The Roving Mind Isaac Asimov, Arthur C. Clarke in Prometheus Books (1997-12) Book 1 essays science
Adding a dimension;: Seventeen essays on the history of science Isaac Asimov in Doubleday (1964) Book 1 essays science
Past, Present, and Future Isaac Asimov in Prometheus Books (1987-04-01) Book 1 essays humanism prescience
