The Books Insiderindependent audiobook data
Dark Duty by Theo Baxter

Dark Duty: Audiobook

Book 3 of the Detective Marcy Kendrick series

According to The Books Insider's catalog data, the Dark Duty audiobook runs 7.8 hours unabridged, narrated by Elisabeth Ashby and Matt Weisgerber (about 5.2 hours at 1.5× playback speed).

7.8listening hrs
Suspensestore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 7.8 hours of listening.

Days to finish Dark Duty at common listening paces
Your paceYou'll finish in
30 min / day16 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×6 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 7.8 hours, it is shorter than 64% of the 13,042 Suspense audiobooks in our catalog.

Catching up on Detective Marcy Kendrick

This is book 3. Books 1 to 2 run 15.7 hours before it; books 1 to 6 run 46 hours in all.

BookTitleLength
1Skin Deep7.6 hrs
2Blood Line8.1 hrs
3Dark Duty7.8 hrs
4Kill Count7.5 hrs
5Pay Back7.4 hrs
6Lost Souls7.6 hrs

About as long, on the Suspense shelf

2,238 Suspense audiobooks in our catalog run within 10% of this length. The most popular on the store:

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

Dark Duty is book 3 of Theo Baxter's Detective Marcy Kendrick series: a 7.8-hour unabridged recording, read by Elisabeth Ashby and Matt Weisgerber, released August 26, 2025, on the Suspense and Psychological shelves.

The listen at a glance

Length
7.8 hrs
Narrated by
Elisabeth Ashby, Matt Weisgerber
Released
August 26, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Suspense, Psychological
Series
Detective Marcy Kendrick #3
ISBN
9798331946708

How to listen to Dark Duty free

New members at audiobooks.com get three free audiobooks with the trial.

Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

Start listening free

Questions listeners ask

How long is the Dark Duty audiobook?

Dark Duty runs 7.8 hours unabridged. At 1.5× speed that drops to roughly 5.2 hours.

Is the Dark Duty audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Dark Duty?

Dark Duty is narrated by Elisabeth Ashby and Matt Weisgerber.