The best thing here is the town. Kanpara has the texture of a real place: the pub where everyone knows the argument before it starts, the miners with their claims and their resentments, the sense that a big find would ruin more relationships than it would fix. The murders matter, but the reason the book works is that you understand why the murders are possible in this specific community, in this specific isolation, with the roads closing.

Walker remains a good series lead, and this volume makes him more human than the last two by giving him family in the frame. Grace is the visitor's eyes, Blair is the relative he cannot be objective about, and the shift from copper to worried older brother is handled without a lot of speechifying. The police-procedural parts are solid, the local officers are not painted as either saintly or stupid, and the middle section where nobody can get anywhere has a patience to it I did not mind at all.

Where it loses me slightly is the puzzle itself. I had the killer worked out well before the reveal, and not because I am clever, but because there are only so many people in a cut-off town and the book narrows the field faster than it means to. A listener I agree with put it plainly when they said they thought it was too easy to guess who did it, and another went further and called the narrative tedious, which I would not, but the complaint about the culprit being visible from a distance is fair and it removes some of the sting from the last hour.

My second note is smaller and it is about Grace. Several listeners have flagged her as a shade too close to a type, and I can see it: she is the American sister with a phone in her hand, defined early by what she does not understand about Australia. To be fair to the book, she gets more to do in the back half than the opening promises, and the payoff involving her is the most effective piece of suspense in the whole novel. But the first few hours keep her in a lane that a slightly braver portrait would have opened up.

Those two things cost the book its fifth star and nothing more, because the atmosphere, the setting and the narration are all well above average, and the pacing of a flood gives the ending a natural timer that no amount of clever plotting can imitate. Eleven hours and twenty-two minutes is a comfortable length for a crime novel and it does not sag anywhere that matters.

It works perfectly well as a standalone, though the first two in the series are worth the detour. If you want somewhere to go next in the genre rather than in this series, the site's own round-up of crime and mystery audiobooks is the honest recommendation, and it is how I found half of what I listened to this year.