>Glenn asked:
>> Not to be picky... but how can one have a "four book trilogy". ;-)
>Actually it's a five book trilogy. The last one is called "Mostly
>Harmless (Hitchhiker's Trilogy, No 5)". I think the reason for the
>naming is that it started out as a trilogy that expanded.
>//Bernie
As a aid to understanding the confusion I might point out that THHGTTG
was first written as a Radio Play for the BBC.
The books, TV series, LPs and T-shirts of the same thing all came later,
when it became obvious there was a market.
Mike