There are 8 books in the The Sean Duffy Series series. The newest book is Hang on St. Christopher which came out in 2025.

1
The Cold Cold Ground

Book cover of The Cold Cold Ground

Fast-paced, evocative, and brutal, The Cold Cold Ground is a brilliant depiction of Belfast at the height of the Troubles -- and of a cop treading a thin, thin line.

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a…

See all book lists

When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).

2
I Hear the Sirens in the Street

Book cover of I Hear the Sirens in the Street

This propulsive thriller is a "gruesomely accurate portrayal of ‘80s life in Ireland" (Kirkus) from The New York Times bestselling and Edgar Award-winning author Adrian McKinty.

"Adrian McKinty just leapt to the top of my list of must-read suspense novelists.  He's the real deal." --Dennis Lehane

A torso in a…

3
In the Morning I'll Be Gone

Book cover of In the Morning I'll Be Gone

A Catholic cop tracks an IRA master bomber amidst the sectarian violence of the conflict in Northern Ireland in this pulse-pounding thriller from the New York Times bestselling and Edgar Award-winning author Adrian McKinty

"McKinty's writing is dark and witty with gritty realism, spot-on dialogue, and fascinating characters." --Chicago Sun-Times…

4
Gun Street Girl

Book cover of Gun Street Girl

A mysterious suicide and double murder are at the heart of this powerful thriller set in Northern Ireland amidst the Troubles, from The New York Times bestselling and Edgar Award-winning author Adrian McKinty

“McKinty is in full command of language, plot, and setting in a terrifying period of history…” ―Library…

5
Rain Dogs

Book cover of Rain Dogs

New York Times Bestselling author Adrian McKinty won an Edgar Award for this “standout in a superior series” (Booklist).

“Shot through with a smart, crackling humor that manages to be both dark and witty…”―The Boston Globe

It’s just the same things over and again for Sean Duffy: riot duty, heartbreak,…

6
Police at the Station and They Don't Look Friendly

Book cover of Police at the Station and They Don't Look Friendly
New York Times Bestselling author

Another thrilling mystery featuring Detective Sean Duffy and his most dangerous investigation yet

Belfast, 1988. A man is found dead, killed with a bolt from a crossbow in front of his house. This is no hunting accident. But uncovering who is responsible for the murder…

7
The Detective Up Late

Book cover of The Detective Up Late

From New York Times bestselling author Adrian McKinty comes the next thrilling mystery in the Edgar Award-winning Sean Duffy detective series.

Slamming the door on the hellscape of 1980s Belfast, Detective Inspector Sean Duffy hopes that the 1990s are going to be better for him and the people of Northern…