The Restaurant at the End of the Universe, (Book 2), Douglas Adams

If you've done six impossible things this morning, why not round it off with breakfast at Milliways, the Restaurant at the end of the Universe?Which is exactly what Arthur Dent and the crew of the Heart of Gold plan to do.

There's just the small matter of escaping the Vogons, avoiding being taken to the most totally evil world in the Galaxy and teaching a space ship how to make a proper cup of tea. And did anyone actually make a reservation?