THE ENCYCLOPEDIA OF SCIENCE FICTION

Fourth Edition
October 2021

Edited by
John Clute
David Langford

Managing Editor
Graham Sleight

Contributing Editors
Jonathan Clements
Mathew Downward
Steven Pearce

Research Editor
Roger Robinson

Founding Editor
Peter Nicholls

Publishers
SFE Ltd and Ansible Editions

THE ENCYCLOPEDIA OF SCIENCE FICTION

Third Edition
October 2011

Edited by
John Clute
David Langford
Peter Nicholls (emeritus)
Graham Sleight (managing)

Contributing Editors
Mike Ashley
Rachel Haywood Ferreira
Neal Tringham
Gary Westfahl

Research Editor
Roger Robinson

Technical Editor
Clare Coney

Publishers
Orion/Gollancz

THE ENCYCLOPEDIA OF SCIENCE FICTION

Second Edition
April 1993

Edited by
John Clute
Peter Nicholls

Contributing Editors
Mike Ashley
Brian Stableford

Technical Editor
John Grant

Publishers
Orbit (UK) ISBN 1 85723 124 4
St Martin's Press (US) ISBN 0 312 09618 6

THE ENCYCLOPEDIA OF SCIENCE FICTION:
An Illustrated A to Z

First Edition
October 1979

General Editor
Peter Nicholls

Associate Editor
John Clute

Technical Editor
Caroline Eardley

Contributing Editors
Malcolm Edwards
Brian Stableford

Publishers
Granada (UK) ISBN 0 246 11020 1
Doubleday (US, without subtitle) ISBN 0 385 13000 7