What is truly unique about Douglas Adams' concept is that it started as a radio serial, came out as a series of books, then television series, then a web site, then a movie. Is that unique, you ask?

What is unique, is that each version was less effective than the one before; the concept slowly and gently came to satirize itself.

HitchHiker's Guide on the Radio

This is what made the series - and it's author; ecologically friendly, off the wall, and very, very funny

HitchHiker's Guide - the Books

The famous five-book trilogy grew out of the radio series.

HitchHiker's Guide - the TV Series

Some said it was impossible, and without clever casting and a good deal of imagination, it would have been.

HitchHiker's Guide - the Web Site

Once independent, now part of the BBC, hsgs has been overtaken in technology and content by wikipedia. But please don't tell them ...

HitchHiker's Guide - the Movie

Possibly the ultimate in disaster movies, this one is given the Disney Treatment, right down to an abysmal soundtrack of trite special effects.