The One You Least Suspect

A gripping, edge-of-your seat thriller from the Sunday Times bestselling author

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The One You Least Suspect

By: Brian McGilloway

Narrated by: Sherelle Kelleher

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About this listen

'Heart-stopping' ANN CLEEVES

'Genius' STEVE CAVANAGH

'A triumph' IRISH EXAMINER

'Nail-biting' ANDREA MARA

'Exceptional' JOHN CONNOLLY

'Breathlessly exciting' IRISH INDEPENDENT

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Katie lives a quiet life. She likes her small Derry neighbourhood. She likes her job as a barmaid at O'Reillys. And she loves her daughter, Hope.

But everything changes when she is approached by two detectives. They want Katie to tell them the things she hears at work. To become their informant.

In this city, Katie knows the dangers of talking to the police. Yet with Hope's safety at risk should she refuse, she is trapped between two impossible choices.

Crossing the O'Reilly brothers could cost her everything. Her only chance of survival is if she can remain the one that they least suspect . . .

A gripping, heart-wrenching thriller that explores the fine line between right and wrong, justice and revenge, and how you choose your side when everyone is guilty . . .

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'Claustrophobic' IRISH TIMES

'A heart-stopping story' SUNDAY INDEPENDENT

'Truly an edge-of-your-seat book' PATRICIA GIBNEY

'A propulsive read from start to finish' JO SPAIN

'Gritty, heart-stopping . . . I raced through every page' SAM BLAKE

'McGilloway writes beautifully' LITERARY REVIEW

'Gripping and compulsive' CLAIRE ALLAN

'A masterful mystery writer' THE GLOSS MAGAZINE

'My heart hasn't stopped hammering since I started this book' ANDREA CARTER©2025 Brian McGilloway

Brian McGillowaySherelle KelleherLittle, Brown Audio

Crime Thrillers

Mystery

Suspense

Thriller & Suspense

Women Sleuths

World Literature

Heartfelt

Crime Thrillers Mystery Suspense Thriller & Suspense Women Sleuths World Literature Heartfelt

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Critic reviews

I expected a heart-stopping, thought-provoking thriller from McGilloway, because he always delivers, but by getting inside the head of a vulnerable single mother he shows what a great writer he is (Ann Cleeves, the Sunday Times bestselling author of the Vera, Shetland and Venn series)

The One You Least Suspect is Brian McGilloway's finest achievement, in a career not short of highlights. An exceptional thriller by an exceptional writer. I devoured it. (John Connolly, the Sunday Times and Irish Times bestselling author of the Charlie Parker series)

Suffocatingly claustrophobic . . . The very best crime fiction speaks about the everyday world we wish we could ignore; The One You Least Suspect speaks with the quiet authority of truth

A one-sitting read, brimming with tension, The One You Least Suspect kept me at the edge of my seat from the intriguing opening to the nail-biting end. What a book, one of the best I've read this year. Outstanding. (Andrea Mara, Sunday Times and Irish Times bestselling author of NO ONE SAW A THING)

One of the finest crime writers . . . McGilloway is a genius (Steve Cavanagh, Sunday Times bestselling author of WITNESS 8)

A heart-stopping story of criminality and corruption

Pacey, action and tension-filled, this is a propulsive read from start to finish (Jo Spain, author of Irish Times bestseller of THE PERFECT LIE)

This nail-biting thriller explores the fine line between justice and revenge and it's a novel which will be remembered long after you finish it - it's a triumph

Gritty, heartstopping, compulsive reading, I raced through every page. The One You Least Suspect will keep you up, and not let you go until the last very page (Sam Blake, No. 1 Irish Times bestselling author of THE KILLING SENSE)

An utterly believable and breathlessly exciting examination of the distrust and suspicion that still permeates post-Good Friday Agreement life in the North from the pen of a true master of Ulster noir crime fiction

Truly an edge-of-your-seat book. It is an extraordinary novel full of tension, violence, emotion, and gasp-out-loud moments. Needless to say I loved it (Patricia Gibney, author of the Lottie Parker series)

The One You Least Suspect cements [Brian McGilloway's] place as one of the finest - if not *the* finest - crime writer in this place we call home . . . Brian has crafted a superb thriller which asks questions about right and wrong, good and bad and what to do when you are placed in an impossible position . . . It's truly a gripping and compulsive read (Claire Allan, USA Today bestselling author of THE NURSE)

My heart hasn't stopped hammering since I started this book . . . McGilloway has written a thriller like a deadly game of chess. I held my breath for the last fifty pages. It's an incredible book (Andrea Carter, author of THERE CAME A-TAPPING)

Most relevant

Really enjoyed listening to this story, authentic and entirely true to life in north of Ireland post peace deal. Thank you for using this excellent narrator with beautiful Derry accent