A collection of science fiction stories.

Vol. 4 of an unnamed series.

Editorial, the scientist as villain / by Isaac Asimov -- Gift of a useless man / by Alan Dean Foster -- Mandalay / by John M. Ford -- The toroids of Dr. Klonefake / by Martin Gardner -- The tryouts / by Barry B. Longyear -- A growing concern / by Arnie Bateman -- Written in sand / by Robert Chilson -- The man with the eye / by Phyllis Eisenstein -- As chemist to chemist / by Isaac Asimov -- Bat Durston, space marshal / by G. Richard Bozarth -- The bitter end / by Randall Garrett -- The woman who loved the centaur Pholus / by Gene Wolfe -- On man's role in the galaxy / by R.N. Bracewell -- The thaw / by Tanith Lee -- Inevitability sphere / by Jeff Duntemann -- Scrap from the notebooks of Johann Wolfgang von Goethe / by K.W. MacAnn -- Wolkenhiem fairday / by Richard S. McEnroe -- Ker-plop / by Ted Reynolds.