Science Fiction Genre Directories

• Arts: Genres: Science Fiction and Fantasy: Directories 

• Classic Fantasy and Science Fiction Database  - Comprehensive online guide to various science fiction and fantasy stories. Includes links to stories, encyclopedia, forum, and e-books.
• In Other Worlds  - Science fiction and horror bibliography categorized by author name.
• SFandF.com  - Science fiction and fantasy information source searchable by author, genre, and series.
• Ultimate Science Fiction Web Guide  - Compiles thousands of links various science fiction resources on the web.