Heart of a Devil: Audiobook
Book 4 of the Quentin Security series
According to The Books Insider's catalog data, the Heart of a Devil audiobook runs 8 hours unabridged, narrated by Isabelle Turner and Kevin Harries (about 5.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 16 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 6 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 8 hours, it runs longer than 51% of the 16,241 Modern audiobooks in our catalog.
Catching up on Quentin Security Series
This is book 4. Books 1 to 3 run 25.8 hours before it; books 1 to 4 run 33.8 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Devil You Know | 8.2 hrs |
| 2 | Devil in the Details | 10 hrs |
| 3 | Devil in Disguise | 7.6 hrs |
| 4 | Heart of a Devil | 8 hrs |
More narrated by Isabelle Turner
Isabelle Turner narrates 73 unabridged audiobooks in our catalog, 726 hours in all.
About as long, on the Modern shelf
3,127 Modern 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
Heart of a Devil is book 4 of Morgan James's Quentin Security series: a 8-hour unabridged recording, read by Isabelle Turner and Kevin Harries, released November 13, 2021, on the Modern and Mystery shelves.
The listen at a glance
- Length
- 8 hrs
- Narrated by
- Isabelle Turner, Kevin Harries
- Released
- November 13, 2021
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Modern, Mystery
- Series
- Quentin Security Series #4
- ISBN
- 9781667086163
How to listen to Heart of a Devil 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 freeQuestions listeners ask
How long is the Heart of a Devil audiobook?
Heart of a Devil runs 8 hours unabridged. At 1.5× speed that drops to roughly 5.3 hours.
Is the Heart of a Devil audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Heart of a Devil?
Heart of a Devil is narrated by Isabelle Turner and Kevin Harries.