Complex sentence: The book was followed by a sequel, "The Long Dark Tea-Time of the Soul", although the only recurring major characters are the eponymous Gently, his secretary Janice Pearce and Sergeant Gilks.
Split into simpler sentences: The book was followed by a sequel, "The Long Dark Tea-Time of the Soul". The only recurring major characters are the eponymous Gently, his secretary Janice Pearce and Sergeant Gilks.