What to read after Headlong?

Does blood run thicker than ink? When one of London's best-known literary agents is found dead in strange circumstances, seemingly having fallen from his office window, DCI Slider is under pressure to confirm a case of accidental death. But when the evidence points to murder, the team find themselves uncovering some decidedly scandalous secrets. Every lead seems to result in more questions, and as Slider delves deeper into the publishing world it's up to him to sort fact from fiction.