The Assassin: Audiobook
Book 4 of the Isabella Rose series
According to The Books Insider's catalog data, The Assassin runs 10.5 hours as an unabridged audiobook, narrated by David Thorpe (about 7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 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 10.5 hours, it runs longer than 53% of the 2,312 Espionage audiobooks in our catalog.
Catching up on Isabella Rose Series
This is book 4. Books 1 to 3 run 28.2 hours before it; books 1 to 4 run 38.7 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Angel | 8.7 hrs |
| 2 | The Asset | 9.6 hrs |
| 3 | The Agent | 9.9 hrs |
| 4 | The Assassin | 10.5 hrs |
More narrated by David Thorpe
David Thorpe narrates 356 unabridged audiobooks in our catalog, 3,606 hours in all.
About as long, on the Espionage shelf
626 Espionage 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
The Assassin is book 4 of Mark Dawson's Isabella Rose series: a 10.5-hour unabridged recording, read by David Thorpe, released April 27, 2026, on the Espionage shelf.
The listen at a glance
- Length
- 10.5 hrs
- Narrated by
- David Thorpe
- Released
- April 27, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Espionage
- Series
- Isabella Rose Series #4
- ISBN
- 9781004231584
How to listen to The Assassin 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 Assassin as an audiobook?
The Assassin runs 10.5 hours unabridged. At 1.5× speed that drops to roughly 7 hours.
Is The Assassin free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Assassin?
The Assassin is narrated by David Thorpe.
Is The Assassin worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7 hours, saving 3.5 hours.