SFcrowsnest: SpyHigh
- Review of the SpyHigh series of books including Episode 1: The Frankenstein Factory, and Episode 2: The Chaos Connection by A.J. Butcher.
- http://www.sfcrowsnest.com/sfnews2/03_oct/review1003_12.shtml

SFcrowsnest: Encyclopedia of Cult Children's TV
- Review of the book by Richard Lewis.
- http://www.sfcrowsnest.com/sfnews2/02_march/review0302_1.shtml

SpyIt
- The unofficial Spy High fan site for the works of A.J. Butcher. Includes news, book information, downloads and a forum.
- http://www.spyit.co.uk/

Star Hunt
- SF stories created by Brandon Rice and Daniel Noa.
- http://www.starhunt.freewebsitehosting.com/

ARM-X
- Looks at the SF mecha book series: ARM-X. Includes a mecha database, excerpts and multimedia gallery.
- http://www.armxofficial.com/

The Star of the Guardians
- Fan site for the series The Star of the Guardians by Margaret Weis. Includes an encyclopedia and mailing list.
- http://www.staroftheguardians.com/

Science Fiction Timeline Site
- Timelines, star maps and essays on series by Larry Niven, Jerry Pournelle, and E. E. "Doc" Smith, and the television series Babylon 5.
- http://www.chronology.org/

The Fear Principle
- Site about a trilogy featuring Jaguar Addams.
- http://www.fearprinciple.com/

Borainian Sector
- An online resource devoted to the Christian Science Fiction Saga: The Borainian Sector.
- http://www.borainiansector.com/