Douglas Adams

At the centre of the galaxy, an unknown civilization is preparing for an event of epic proportions, the launch of the most technologically advanced spaceship ever built - the Starship Titanic. The ship that cannot possibly go wrong.

Why is it a mistake to think you can solve any major problems just with potatoes? How the planet Krikkit, hostile to anything that is not Krikkit, comes to be encased in a Slo-time envelope... Why Arthur Dent has such an urgent wish to return the Ashes to Lord's Cricket Ground, and why a can of Greek olive oil …

Mostly Harmless is a novel by Douglas Adams and the fifth book in the Hitchhiker's Guide to the Galaxy series. It is described on the cover of the first editions as "The fifth book in the increasingly inaccurately named Hitchhikers Trilogy". It was the last Hitchhiker's book written by Adams.