The Encyclopedia of Science Fiction

The Encyclopedia of Science Fiction

Cover of the first edition
Editor	Peter Nicholls, John Clute; David Langford from 2011
Country	United Kingdom
Language	English
Subject	Science fiction
Publisher	Granada, 1979 St. Martin's Press, 1993, 1995 Orbit Books, 1993, 1999
Media type	Print (1979, 1993, 1995, 1999) CD-ROM (1995) Online (2011)
Pages	672 pp, 1979 1370 pp, 1993 1386 pp, 1995 1396 pp, 1999
OCLC	365133329
Dewey Decimal	809.3876203
LC Class	PN3433.4

The Encyclopedia of Science Fiction (SFE) is an English language reference work on science fiction, first published in 1979. It has won the Hugo, Locus and British SF Awards. Two print editions appeared in 1979 and 1993. A third, continuously revised, edition was published online from 2011; a change of web host was announced as the launch of a fourth edition in 2021.