The Hitchhiker's Guide to the Galaxy quiz

Would you know what to do if confronted by the Ravenous Bugblatter Beast of Traal? Do you know which two Earth species are smarter than Man? In short, in the grand scheme of things, do you know where your towel is?

To celebrate the release of the movie version of Douglas Adams' seminal slice of sci-fi silliness, why not try our Hitchhiker's Guide quiz and see if you've got a brain the size of a planet?