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
The Hitchhiker's Guide to the Galaxy adaptation in front of a live audience, featuring many members of the original cast including Stephen Moore, Susan Sheridan, Mark Wing-Davey, Simon Jones and Geoff McGivern, with John Lloyd as the book. The adaptation was adapted by Dirk Maggs primarily from Fit the First, including material from the books and later radio Fits as well as some new jokes. It formed part of Radio 4's "Character Invasion" series. The first four radio episodes were adapted for a new double LP, also entitled "The Hitchhiker's Guide to the Galaxy" (appended with "Part One" for the subsequent Canadian release), first by mail-order