A review by firstwords
Two Complete Novels: Dirk Gently's Holistic Detective Agency / The Long Dark Tea-time of the Soul by Douglas Adams

5.0

This is Dirk Gently's Detective Agency and [b:the Long Dark Tea-time of the Soul|357|The Long Dark Tea-Time of the Soul|Douglas Adams|http://photo.goodreads.com/books/1156910963s/357.jpg|1096]. Both stories are connected.
A great "next step" for the creator of the Hitchhiker series.