The book collects twenty-six novellas, novelettes and short stories by various science fiction authors, together with a preface and afterword by the editor.

• "Preface" (Gardner Dozois)
• "The Country of the Kind" (Damon Knight)
• "Aristotle and the Gun" (L. Sprague de Camp)
• "The Other Celia" (Theodore Sturgeon)
• "Casey Agonistes" (Richard M. McKenna)
• "Mother Hitton's Littul Kittons" (Cordwainer Smith)
• "The Moon Moth" (Jack Vance)
• "The Golden Horn" (Edgar Pangborn)
• "The Lady Margaret" (Keith Roberts)
• "This Moment of the Storm" (Roger Zelazny)
• "Narrow Valley" (R. A. Lafferty)
• "Driftglass" (Samuel R. Delany)
• "The Worm That Flies" (Brian W. Aldiss)
• "The Fifth Head of Cerberus" (Gene Wolfe)
• "Nobody's Home" (Joanna Russ)
• "Her Smoke Rose Up Forever" (James Tiptree, Jr.)
• "The Barrow" (Ursula K. Le Guin)
• "Particle Theory" (Edward Bryant)
• "The Ugly Chickens" (Howard Waldrop)
• "Going Under" (Jack M. Dann)
• "Salvador" (Lucius Shepard)
• "Pretty Boy Crossover" (Pat Cadigan)
• "The Pure Product" (John Kessel)
• "The Winter Market" (William Gibson)
• "Chance" (Connie Willis)
• "The Edge of the World" (Michael Swanwick)
• "Dori Bangs" (Bruce Sterling)
• "Afterword" (Gardner Dozois)