Coletânea de 13 contos de ficção-científica (de 1946 à 1957) que giram em torno de inventos.
From today's most celebrated writers of science-fiction comes this baker's dozen -- Introduction by Groff Conklin --
The War is Over by Algis Budrys
The Light by Poul Anderson
Compassion Circuit by John Wyndham
Volpla by Wyman Guin
Silence, Please! by Arthur C. Clarke
Allegory by William T. Powers
Soap Opera by Alan Nelson
Shipping Clerk by William Morrison
Technological Retreat by G. C. Edmondson
The Analogues by Damon Knight
The Available Data on the Worp Reaction by Lion Miller
The Skills of Xanadu by Theodore Sturgeon
The Machine by Richard Gehman