Dirk Gently

Shown by first publication year; this may not be reading order.

The Salmon of Doubt: Hitchhiking the Galaxy One Last Time Douglas Adams The Salmon of Doubt: Hitchhiking the Galaxy One Last Time Douglas Adams · 1996 · The Hitchhiker’s Guide to the Galaxy Dirk Gently's Holistic Detective Agency Douglas Adams Dirk Gently's Holistic Detective Agency Douglas Adams · 2002 · Dirk Gently The Long Dark Tea-Time of the Soul Douglas Adams The Long Dark Tea-Time of the Soul Douglas Adams · 2006 · Dirk Gently