The Hitchhiker's Guide to the Galaxy Anniversary Illustrated Edition" of the novel, which used items from the personal collections of fans of the series. Stephen Moore recorded two novelty singles in character as Marvin, the Paranoid Android: "Marvin"/"Metal Man" and "Reasons To Be Miserable"/"Marvin I Love You". The last song has appeared on a Dr. Demento compilation. Another single featured the re-recorded "Journey of the Sorcerer" (arranged by Tim Souster) backed with "Reg Nullify In Concert" by Reg Nullify, and "Only the End of the World Again" by Disaster Area (including Douglas Adams on bass guitar) . These discs have since become collector's items. The 2005
Don't Panic: The Official Hitchhiker's Guide to the Galaxy Companion Douglas Adams & The Hitchhiker's Guide to the Galaxy") was published in the UK by Titan Books in June 2002, and contains further additional material, this time by M. J. Simpson (). An updated edition was published by Titan Books in October 2003 (). A further edition was published by Titan Books in September 2009 (). Don't Panic: The Official Hitchhiker's Guide to the Galaxy Companion Don't Panic: The Official Hitchhiker's Guide to the Galaxy Companion is a book by Neil Gaiman about Douglas Adams and "The Hitchhiker's Guide to the Galaxy". The book was originally published in 1986 in