So Long, and Thanks for All the Fish (Hitchhiker's Guide to the Galaxy Book 4)

Mostly Harmless (Hitchhiker's Guide to the Galaxy Book 5)

Life, the Universe and Everything (Hitchhiker's Guide to the Galaxy Book 3)

The Restaurant at the End of the Universe (Hitchhiker's Guide to the Galaxy Book 2)

The Hitchhiker's Guide to the Galaxy

And Another Thing... (Hitchhiker's Guide to the Galaxy Book 6)