These 17 original essays, written for the sixth Eaton Conference on Fantasy and Science Fiction, explore the uses, origins, and forms of future fiction. The contributors are George E. Slusser, Paul Alkon, Marie-Hélène Huet, Howard V. Hendrix, Bradford Lyau, Gregory Benford, José Manuel Mota, Frederik Pohl, George Hay, Colin Greenland, John Huntington, Elizabeth Maslen, W. M. S. and Claire Russell, T. A. Shippey, Kenneth V. Bailey, Gary Kern, and Frank McConnell.

The essays address the question "Do we call up images of future societies in order to prepare for them, or to forestall their ever coming into existence?"