The Hitchhiker's Guide to the Galaxy by Marvin, the Paranoid Android, who, although 37 times older than the universe itself (what with time travel and all), has just enough power left in his failing body to read the message and feel better about it all before expiring. This was the first "Hitchhiker's" novel which was not an adaptation of any previously written story or script. In 2005 it was adapted for radio as the Quandary Phase of the radio series. Finally, in "Mostly Harmless" (published in 1992), Vogons take over "The Hitchhiker's Guide" (under the name of InfiniDim Enterprises), to finish, once and for all, the
The Hitchhiker's Guide to the Galaxy Tertiary to Hexagonal Phases else entirely. The Hitchhiker's Guide to the Galaxy: Tertiary Phase, based on "Life, the Universe and Everything", ran on BBC Radio 4 from Tuesday 21 September to 26 October 2004, with repeats on the following Thursdays. Episodes were subtitled "Fit the Thirteenth" through "Fit the Eighteenth". The third novel was adapted by Dirk Maggs, John Langdon and Bruce Hyman following instructions left by Adams. Most of the original radio series cast returned, with the exception of three, due to their deaths: Richard Vernon (died 1997) as Slartibartfast, replaced by Richard Griffiths; Peter Jones (died 2000), replaced by his friend William