It's a Wonderful Town! • [Asimov's Essays: F&SF] • (1976) Surprise! Surprise! • [Asimov's Essays: F&SF] • (1976) Making It! • [Asimov's Essays: F&SF] • (1976) Moving Ahead • [Asimov's Essays: F&SF] • (1976) To the Top • [Asimov's Essays: F&SF] • (1976) Quasar, Quasar, Burning Bright! • [Asimov's Essays: F&SF] • (1976) The Comet That Wasn't • [Asimov's Essays: F&SF] • (1976) The Sea-Green Planet • [Asimov's Essays: F&SF] • (1976) Discovery By Blink • [Asimov's Essays: F&SF] • (1977) Asimov's Corollary • [Asimov's Essays: F&SF] • (1977) The Magic Isle • [Asimov's Essays: F&SF] • (1977) The Dark Companion • [Asimov's Essays: F&SF] • (1977) Twinkle, Twinkle, Microwaves • [Asimov's Essays: F&SF] • (1977) The Final Collapse • [Asimov's Essays: F&SF] • (1977) Of Ice and Men • [Asimov's Essays: F&SF] • (1977) Oblique the Centric Globe • [Asimov's Essays: F&SF] • (1977) The Opposite Poles • [Asimov's Essays: F&SF] • (1977)