Dirk Gently's Holistic Detective Agency is a humorous fantasy detective novel by Douglas Adams, first published in 1987. It is described on its cover as a "thumping good detective-ghost-horror-who dunnit-time travel-romantic-musical-comedy-epic". The book was followed by a sequel, The Long Dark Tea-Time of the Soul, although the only recurring major characters are Gently himself, Janice Pearce and Sergeant Gilks. Adams began writing The Salmon of Doubt with the intention of it being the third book in the series.
Second book ( audiobook ) can be found here Third book ( audiobook ) can be found here
Audiobook is read by Douglas Adams Duration: 06:39:29