SF and Fantasy
- A searchable database of science fiction and fantasy books.
- http://www.sfandf.com

Del Rey - Author Sites
- A list of links to online resources by or about authors who are published by Del Rey Books.
- http://www.randomhouse.com/delrey/authors/

The Science Fiction and Fantasy Book List
- Attempts to list every SFF author and their works. Links to both official and fan sites.
- http://www.sfbooklist.co.uk/

Science Fiction Resources
- Portal devoted to science fiction sites.
- http://www.science-fiction.biz/

Classic SF
- Database of fantasy and science fiction stories.
- http://www.classic-sf.co.uk

The Ultimate Science Fiction Web Guide
- Science Fiction information and a collection of biographies and links to other sites.
- http://www.magicdragon.com/UltimateSF/SF-Index.html

AllScifi: Precision Search Engine
- This search engine lets you search for science fiction novels by plots, characters, setting and action elements.
- http://www.allscifi.com/bookSearcha.asp

Best SF
- A listing of links to online science fiction and fantasy short stories.
- http://www.bestsf.net/gateway.html

Locus Online: Links Portal
- Directory of links to websites related to SF and fantasy, from science fiction trade magazine Locus.
- http://www.locusmag.com/Links/Portal.html

About.com: Science Fiction Guide
- Reviews, articles and interviews about SFF books, along with a links library.
- http://fantasy.about.com