This article is from the Douglas Adams FAQ, by Nathan Hughes email@example.com with numerous contributions by others.
ZZ9 is the Hitch Hiker's Guide to the Galaxy Fan club. They offer
a wide range of Hitch Hiker's merchandise, as well as publishing a
pretty snazzy newsletter/magazine. Comes highly recommended.
Last I heard, this was the person to contact for membership information:
Noel Collyer (ZZ9 Membership secretary),
26 Northampton Road,