The Hitchhiker's Guide to the Galaxy States and Canada with Hannibal Records and Simon and Schuster were later negotiated by Douglas Adams and his agent, Ed Victor, after gaining full rights to the recordings from Original Records, which went bankrupt. There have been three audiobook recordings of the novel. The first was an abridged edition (), recorded in the mid-1980s for the EMI label Music For Pleasure by Stephen Moore, best known for playing the voice of Marvin the Paranoid Android in the radio series and in the TV series. In 1990, Adams himself recorded an unabridged edition for Dove Audiobooks (), later re-released by New
Places in The Hitchhiker's Guide to the Galaxy member of the Alpha Centauri system. The first novel points out that it is four light years from Earth's solar system to Alpha Proxima, whilst Damogran is five hundred thousand light years away. The Altairian dollar is one of three freely convertible currencies in the galaxy, though by the time of the novels it had apparently recently collapsed. The "Hitchhiker's Guide to the Galaxy" advertises itself as the best resource for those who wish "to see the galaxy for less than thirty Altairian dollars a day". According to the Hitchhiker's Guide TV series, one Altairian "long way" is equal to