Hitchhikers Guide Series
The Hitchhikers guide to the galaxy is a Science Fiction comedy series by the renowned author Douglas Adams. Originally a radio series, the Hitchhikers guide has also been a TV series and more recently a feature film.
The plot involves a fairly ordinary human called Arthur Dent and his hitchhiking Alien friend Ford Prefect, as they leave earth shortly before it is destroyed to make way for an intersteller bypass by the Vogons.
An absolutly incredible series of novels, composing of a 6 part trilogy, the last novel has been written by Eoin Colfer from notes left by the late Douglas Adams.