The Hitchhiker's Guide to the Galaxy: The Original Radio Scripts contains a new introduction by Geoffrey Perkins, and newly researched material by M. J. Simpson, including a transcript of "The Lost Hitchhiker Sketch." The sketch was an interview with Simon Jones in character as Arthur Dent, conducted by Sheila Steafel on her show "Steafel Plus" in 1982, written entirely by Adams. The sketch can be heard in the "Douglas Adams at the BBC" CD collection. The book now contains transcripts of all Hitchhikers radio sketches, barring a sketch for Marvin that Adams wrote for the BBC Radio 1 show Studio B15 to promote the television version of the serial, which
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