1. Adams, Douglas (1979) The Hitchhiker’s Guide to the Galaxy (London: Pan Books)
2. Anderson, Kevin, J. (1994) Climbing Olympus (New York: Aspect/Warner)
3. Asaro, Catherine (1998) ‘Aurora in Four Voices’ (Analog Science Fiction and Fact, Dec.; also online, at
http://www.analogsf.com
/0209/Aurora.shtml)
4. Asaro, Catherine (1996) ‘Complex Speeds and Special Relativity’ (American Journal of Physics, 64 [4], April 1996, 421).
5. Asaro, Catherine (1997) The Last Hawk (New York: Tor).