The restaurant at the end of the universe

After escaping certain doom, Arthur Dent is being hunted down by the very people- sorry, Aliens who destroyed Earth. After the whole Magrathea issue died down, Arthur decided to eat at the Restaurant At The End Of The Universe. It's basically a restaurant that's stuck in a time loop, and attracts people daily because, well, everybody wants to know what happens at the end of the universe, don't they? The problem was: how do you get there with bloodthirsty warmongers chasing your tail? And has Arthur finally gone mad when he decides to drink tea when their ship is being bombarded? Read this book! The have it in the library.