Arthur Dent has had enough of space and returns to his old life after his exploded home planet mysteriously comes back into existence. People there go about their routines as usual, and his house is still standing. Only Fenchurch, the girl with the brilliant idea, remembers that the Vogons destroyed Earth. And she also knows the meaning of life. At least she did - unfortunately, she has forgotten it again. The fourth volume of the intergalactic cult series "The Hitchhiker's Guide to the Galaxy.".