Jeopardy

I'm making a jeopardy game, which will be featured in a convention which is hosted by my school. I need some questions about books, mostly fantasy books. Would you please help /book/? Thank you.

What is the name of the paranoind android from the Hitch Hiker's Guide?

Marvin

What is the answer to the ultimate question ?

42

Which book is associated with Muad Dib ?

Dune

Who wrote Dune?

Frank Herbert