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
Douglas Adams at the BBC original transmissions, had been discussed in biographies of Adams (e.g. "Don't Panic" by Neil Gaiman and "Wish You Were Here" by Nick Webb). In addition, the complete script for "The Lost Hitchhiker Sketch" appears in the 25th anniversary edition of "". Disc one covers subjects A to G, disc two covers subjects H to P, and disc three covers subjects Q to Z. Note: The CD set was released in early September 2004, after the Tertiary Phase of "The Hitchhiker's Guide to the Galaxy" had been recorded, but before transmissions began. The earliest material on the set is from August