📖 About Sean Duffy

Sean Duffy is a series universe written by Adrian McKinty. The complete collection runs to 9 books across 2 series, published between 2012 and 2025.

The main series is Publication Order of Detective Sean Duffy Books with 9 books. It opens with The Cold Cold Ground (2012) and currently runs to Hang on St. Christopher (2025).

Series included on this page:

🎯 Where to Start with Sean Duffy

New readers should begin with the first book of the main series in publication order: The Cold Cold Ground (2012), book 1 of Publication Order of Detective Sean Duffy Books. Reading in publication order lets the world and characters develop the way the author intended, and it avoids spoilers that later books may contain.

If you would rather follow the story timeline instead of the release sequence, a chronological order is listed below. It begins with God’s Away on Business (2025).

Each of the 2 series on this page is expandable — click a series heading to see every title it contains, in order, with a direct link to buy the book on Amazon.

📚 Sean Duffy Books in Order

Publication Order of Detective Sean Duffy Books
9 books
1
The Cold Cold Ground book cover1The Cold Cold Ground2012Buy on Amazon
I Hear the Sirens in the Street book cover2I Hear the Sirens in the Street2013Buy on Amazon
In the Morning I'll Be Gone book cover3In the Morning I'll Be Gone2014Buy on Amazon
Gun Street Girl book cover4Gun Street Girl2015Buy on Amazon
Rain Dogs book cover5Rain Dogs2015Buy on Amazon
Police at the Station and They Don't Look Friendly book cover6Police at the Station and They Don't Look Friendly2017Buy on Amazon
The Detective Up Late book cover7The Detective Up Late2018Buy on Amazon
God’s Away on Business book cover8God’s Away on Business2025Buy on Amazon
Hang on St. Christopher book cover9Hang on St. Christopher2025Buy on Amazon
Chronological Order of Detective Sean Duffy Books
9 books
2
God’s Away on Business book cover1God’s Away on Business2025Buy on Amazon
The Cold Cold Ground book cover2The Cold Cold Ground2012Buy on Amazon
I Hear the Sirens in the Street book cover3I Hear the Sirens in the Street2013Buy on Amazon
In the Morning I'll Be Gone book cover4In the Morning I'll Be Gone2014Buy on Amazon
Gun Street Girl book cover5Gun Street Girl2015Buy on Amazon
Rain Dogs book cover6Rain Dogs2015Buy on Amazon
Police at the Station and They Don't Look Friendly book cover7Police at the Station and They Don't Look Friendly2017Buy on Amazon
The Detective Up Late book cover8The Detective Up Late2018Buy on Amazon
Hang on St. Christopher book cover9Hang on St. Christopher2025Buy on Amazon

❓ Frequently Asked Questions

How many Sean Duffy books are there?
There are 9 books in the Sean Duffy collection, organised into 2 series and published between 2012 and 2025.
What is the first Sean Duffy book?
The first book is The Cold Cold Ground, published in 2012.
What order should I read the Sean Duffy books in?
Most readers use publication order, which is the order the books were originally released. A chronological order is also provided on this page for readers who prefer to follow the internal timeline of the story.
Who wrote the Sean Duffy books?
The Sean Duffy books were written by Adrian McKinty.
Is the Sean Duffy series finished?
The main series, Publication Order of Detective Sean Duffy Books, has 9 books so far. The most recent title listed on this page gives the current end point of the series.
When did the Sean Duffy series start?
The earliest title in this collection was published in 2012, and the most recent in 2025.