The Hitchhiker's Guide to the Galaxy (novel) productions in the late 1970s. Davies himself appears as Prosser. This edition is out of print – Adams bought up many remainder copies and sold them, autographed, on his website. There have been three audiobook recordings of the novel. The first was an abridged edition (), recorded in the mid-1980s by Stephen Moore, best known for playing the voice of Marvin the Paranoid Android in the radio series, LP adaptations and in the TV series. In 1990, Adams himself recorded an unabridged edition for Dove Audiobooks (), later re-released by New Millennium Audio () in the United States and available
The Hitchhiker's Guide to the Galaxy edition was printed in 2003. The 2004 series was produced by Above The Title Productions and the scripts were published in July 2005, with production notes for each episode. This second radio script book is entitled "The Hitchhiker's Guide to the Galaxy Radio Scripts: The Tertiary, Quandary and Quintessential Phases". Douglas Adams gets the primary writer's credit (as he wrote the original novels), and there is a foreword by Simon Jones, introductions by the producer and the director, and other introductory notes from other members of the cast. The popularity of the radio series gave rise to a six-episode television