Well, it might center around a death that shatters the peace of a paradise. It could have elements of a murder mystery, with red herrings and unexpected twists. The novel might explore the different motives of the suspects, from love and jealousy to greed. It may also depict the beautiful yet sometimes deceiving scenery of the paradise as a backdrop to the dark events.
I'm not entirely sure specifically what this 'a death in paradise novel' is about without more context. But generally in such a story, it could involve a death that disrupts the harmony of a paradise - which could be a physical place or a metaphorical one. The story may follow the investigation process, showing how the investigators dig into the victim's past, relationships, and any possible enemies. It could also touch on themes like justice, morality, and the search for truth in a place that was once thought to be free from such dark happenings.
It could be about a mysterious death that occurs in a seemingly idyllic place, perhaps a tropical paradise. There might be complex characters like the detectives who are trying to solve the case, and it may involve secrets and lies within the community of that paradise.