The Encyclopedia of Science Fiction is an English language reference work on science fiction, first published in 1979. In October 2011, the third edition was made available for free online. The first edition, edited by Peter Nicholls with John Clute, was published by Granada in 1979. It was retitled The Science Fiction Encyclopedia when published by Doubleday in the United States. Accompanying its text were numerous black and white photographs illustrating authors, book and magazine covers, film and TV stills, and examples of artists" work.