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 Millennium Audio () in the United States and available from BBC Audiobooks in the United Kingdom. Also by arrangement with Dove, ISIS Publishing Ltd produced a numbered exclusive edition signed by Douglas Adams () in 1994. To tie-in with the 2005 film, actor Stephen Fry, the film's voice of the Guide, recorded a second unabridged edition (). In addition, unabridged versions of books 2-5 of the series were recorded by Martin Freeman for Random House Audio. Freeman plays Arthur in the 2005 film adaptation. Audiobooks 2-5 follow in order and include: "The Restaurant at the End of the Universe" ();