The day at Arthur Dent did not work out before it turned out that the Earth was being demolished in order to lay a new hypercosmic track. And then things got worse. Much, much worse. Towel, little yellow fish and book - that's all the possessions Arthur found himself with in a very hostile universe in the company of very strange aliens. Fortunately, the fish translates from any language, and the book is called "The Hitchhiker's Guide to the Galaxy..."