A collection of seventeen scientific essays from The Magazine of Fantasy and Science Fiction.

"It's a Wonderful Town!" (May 1976)
"Surprise! Surprise!" (June 1976)
"Making It!" (July 1976)
"Moving Ahead" (August 1976)
"To the Top" (September 1976)
"Quasar, Quasar, Burning Bright" (October 1976)
"The Comet That Wasn't" (November 1976)
"The Sea-Green Planet" (December 1976)
"Discovery by Blink" (January 1977)
"Asimov's Corollary" (February 1977)
"The Magic Isle" (March 1977)
"The Dark Companion" (April 1977)
"Twinkle, Twinkle, Microwaves" (May 1977)
"The Final Collapse" (June 1977)
"Of Ice and Men" (July 1977)
"Oblique the Centric Globe" (August 1977)
"The Opposite Poles" (September 1977)