Reading Order List — Book Series Reading Order Guide

Owen Mullen Reading Order

6 series · 15 books

Mystery & Thriller

Owen Mullen is a Scottish crime writer who has built a diverse body of work spanning multiple interconnected series, including the detective novels featuring Charlie Cameron alongside the Delaney, Glass Family, and Mackenzie Darroch cases. His gritty mystery and thriller fiction draws from a colorful background that included stints as a professional musician and session singer before he turned to writing full-time. Since launching his publishing career in 2017, Mullen has released fifteen books that showcase his skill at crafting complex criminal investigations and morally complex protagonists navigating Scotland's darker underworld.

Anthologies Series

Complete

1 book (2019–2019)

#Title
1
When Stars Will Shine: Helping Our Heroes, One Page At A Time
2019Buy 🇺🇸🎧 Audible

Charlie Cameron Series

Likely Complete

4 books (2017–2021)

Start with Before The Devil Knows You're Dead / Whistleblower, the first of 4 books in the Charlie Cameron series.

Start this series with Before The Devil Knows You're Dead / Whistleblower

Buy Book 1 🇺🇸🎧 Listen free on Audible
#Title
1
Cover of Before The Devil Knows You're Dead / Whistleblower
Before The Devil Knows You're Dead / Whistleblower
2017Buy 🇺🇸🎧 Audible
2
Cover of Games People Play
Games People Play
2017Buy 🇺🇸🎧 Audible
3
Old Friends and New Enemies / The Wronged
2017Buy 🇺🇸🎧 Audible
4

Delaney Series

Complete

1 book (2017–2017)

#Title
1
And So It Began
2017Buy 🇺🇸🎧 Audible

Glass Family Series

Likely Complete

4 books (2021–2022)

Start with Family, the first of 4 books in the Glass Family series.

Start this series with Family

Buy Book 1 🇺🇸🎧 Listen free on Audible
#Title
1
2
3
4

Mackenzie Darroch Series

Complete

2 books (2018–2019)

Start with In Harm's Way and read in order.

Start this series with In Harm's Way

Buy Book 1 🇺🇸🎧 Listen free on Audible
#Title
1
Cover of In Harm's Way
In Harm's Way
2018Buy 🇺🇸🎧 Audible
2
Cover of Out of the Silence
Out of the Silence
2019Buy 🇺🇸🎧 Audible

Standalone Novels Series

Ongoing

3 books (2019–2024)

Start with Deadly Harm and read in order.

Start this series with Deadly Harm

Buy Book 1 🇺🇸🎧 Listen free on Audible
#Title
1
2
Three Sisters(As: O.J. Mullen)
2023Buy 🇺🇸🎧 Audible
3
The Wrong Woman(As: O.J. Mullen)
2024Buy 🇺🇸🎧 Audible

Frequently Asked Questions

How many books has Owen Mullen written?
Owen Mullen has written 15 books across 6 series. Their published works span from 2017 to 2024.
What is the first book in each Owen Mullen series?
Here are the first books in Owen Mullen's series: Charlie Cameron: Before The Devil Knows You're Dead / Whistleblower; Glass Family: Family; Mackenzie Darroch: In Harm's Way.
What order should I read Owen Mullen's books?
We recommend reading Owen Mullen's series in publication order. Each series can be read independently.
Is Owen Mullen still writing new books?
Yes, Owen Mullen has 1 ongoing series: Standalone Novels.

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