Black Hearts: Audiobook
Book 4 of the Skelfs series
According to The Books Insider's catalog data, the Black Hearts audiobook runs 7.9 hours unabridged, narrated by Sarah Barron (about 5.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.9 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 7.9 hours, it is shorter than 60% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on Skelfs
This is book 4. Books 1 to 3 run 28.7 hours before it; books 1 to 7 run 59.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | A Dark Matter | 10 hrs |
| 2 | The Big Chill | 9.4 hrs |
| 3 | The Great Silence | 9.3 hrs |
| 4 | Black Hearts | 7.9 hrs |
| 5 | The Opposite of Lonely | 8 hrs |
| 6 | Living is a Problem | 7.2 hrs |
| 7 | Ghost Notes | 7.4 hrs |
More narrated by Sarah Barron
Sarah Barron narrates 68 unabridged audiobooks in our catalog, 647 hours in all.
About as long, on the Police & Detective shelf
5,023 Police & Detective 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
Black Hearts is book 4 of Doug Johnstone's Skelfs series: a 7.9-hour unabridged recording, read by Sarah Barron, released September 29, 2022, on the Police & Detective shelf.
The listen at a glance
- Length
- 7.9 hrs
- Narrated by
- Sarah Barron
- Released
- September 29, 2022
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- Skelfs #4
- ISBN
- 9781399117579
How to listen to Black Hearts 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 Black Hearts audiobook?
Black Hearts runs 7.9 hours unabridged. At 1.5× speed that drops to roughly 5.2 hours.
Is the Black Hearts audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Black Hearts?
Black Hearts is narrated by Sarah Barron.