This bestselling work of humorous science fiction is the fourth installmentin the Hitchhiker's series. THE HITCHHIKER'S GUIDE TO THE GALAXY, the firstbook in the series, began with the complete destruction of Earth to clearspace for a galactic highway. But now the Earth has returned, as if it hadnever been gone. What happened and who's responsible? Dressing-gown-cladEarthman Arthur Dent (who escaped from the Earth's purported demolitioneight years ago) and his newfound true love, Fenchurch, attempt todiscover the answers to these and to other pressing questions. Meanwhile,many light-years away, Arthur's wacky Betelgeusian pal, Ford Prefect, awriter for that amazingly useful and often apocryphal book, THEHITCHHIKER'S GUIDE TO THE GALAXY, is shocked to discover that his originallengthy coverage on the Earth, which had been edited down to two words("Mostly Harmless"), has been reinstated, and he decides to find out why.