The Earth is Being Threatened!
Then, Earth is being threatened by aliens that want to destroy Earth. Arthur and Ford hitch a ride on a secret government spaceship called The Heart of Gold. Then Arthur is reunited with old enemy Zaphod, Arthur's would have been girlfriend Trillian, and a depressed robot named Melvin. But the ship isn't Zaphod, it really belongs to the Earth's government! So there all being chased by the government and get mixed up with the aliens business! What will happen?!
I think this is a really good book! The names are funny. The action is also funny. In this book, even McDonalds does not exist anymore! But the action does not stop here therešs a sequel, The Restaurant At The End Of The Universe and more!