The Visual Encyclopedia of Science Fiction

From Author Wars - https://authorwars.com/publications/the-visual-encyclopedia-of-science-fiction-204893.html

Overview:

Title: The Visual Encyclopedia of Science Fiction
Author: Brian Ash
Year: 1977
ISBN-10: 0330252755
Publisher: Pan Books
Pages: 352
Binding: Trade Paperback
Type: Non-fiction
Title Reference: The Visual Encyclopedia of Science Fiction
Notes:
- Book Sections:
  1. Program [Pages 9 - 66, unnumbered] (A timeline of magazine dates, magazine stories, books, films/television/radio, and fandom)
  2. Thematics [Pages 67 - 246] (Separate sections listed below with introductions by the authors indicated; the main body of each article is uncredited, presumably written by Brian Ash)
  3. Deep Probes [Pages 247- 270] (Articles listed below)
  4. Fandom and Media [Pages 271 - 342] (Ten uncredited articles on fandom, science fiction art, science fiction in the cinema, science fiction on television, science fiction magazines, books and anthologies, juveniles (including comics and strips), commentators and course, and fringe cults (including sub-articles on Charles Fort, Richard S. Shaver and L. Ron Hubbard)
- Clute/Nicholls cites this as published 1978