Gone Girl

Amy Dunne disappears from her Missouri home on the morning of her fifth wedding anniversary, leaving behind a smashed living room and the anniversary treasure hunt she prepared every year. Her husband Nick, out of work and unconvincingly upset, becomes the obvious suspect within days.

Flynn alternates Nick's present-tense account of the investigation with Amy's diary covering the five years of their marriage. The pleasure of the first half is watching two versions of the same relationship refuse to line up: her account is generous and increasingly frightened, his is defensive and evasive.

The book turns decisively at the midpoint, and what follows is less a mystery than a study of two people who understand exactly how to hurt each other. The ending is deliberately unsatisfying in a moral sense, and that has kept people arguing about it since publication.

Julia Whelan reads Amy and Kirby Heyborne reads Nick, and the casting is why this remains the benchmark for dual-narrator thrillers. Whelan's diary voice is bright, warm and just slightly too polished — a woman writing for an audience she has not admitted to.

When the book turns, Whelan's shift in delivery is one of the most satisfying moments in thriller audio. Nothing in the recording flags it; the change is entirely in her voice, and the effect is genuinely startling on a first listen.

Heyborne plays Nick as guilty of something from the opening chapter — defensive, over-explaining, forever reaching for the wrong tone in front of cameras. It keeps you suspicious without the prose having to insist, which is exactly what the structure needs.

Nineteen hours is a real commitment, and the alternating chapters are what make it manageable: each one ends on a small hook, so there is always a reason to keep going.

The middle stretch of media circus and legal manoeuvring is the weak part. Around hours nine to twelve the plot repeats its beats, and a cable-news subplot outstays its welcome.

The final third recovers completely, and the last two hours are as uncomfortable as anything in mainstream fiction. The book knows exactly how unpleasant its ending is.

Levels are consistent across both narrators and across a very long recording, which matters more than usual when you will be switching voices hundreds of times.

No music, no effects, no dramatisation. The production trusts the two performances, which is the right instinct.

Chapters are clearly marked and alternate predictably, so it is easy to resume after a few days away.

There is nobody to root for. If you need a sympathetic character, this book actively refuses to supply one, and nineteen hours in the company of these two is draining.

Content notes: sustained emotional abuse, sexual violence, a false accusation, and cruelty presented in detail.

For a shorter version of the same pleasures, The Silent Patient is under nine hours and hits a comparable twist with far less depth.