Sentinel: Audiobook
Book 2 of the Armored series
According to The Books Insider's catalog data, the Sentinel audiobook runs 13.6 hours unabridged, narrated by Adam Gold (about 9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 13.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 28 days |
| 1 hour / day | 14 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 10 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 13.6 hours, it runs longer than 85% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.
More narrated by Adam Gold
Adam Gold narrates 103 unabridged audiobooks in our catalog, 1,086 hours in all.
About as long, on the Action & Adventure (Fiction) shelf
703 Action & Adventure (Fiction) 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
Sentinel is book 2 of Mark Greaney's Armored series: a 13.6-hour unabridged recording, read by Adam Gold, released June 25, 2024, on the Espionage and Legal & Political shelves.
The listen at a glance
- Length
- 13.6 hrs
- Narrated by
- Adam Gold
- Released
- June 25, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Espionage, Legal & Political, Action & Adventure (Fiction)
- Series
- Armored #2
- ISBN
- 9780593907351
How to listen to Sentinel 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 Sentinel audiobook?
Sentinel runs 13.6 hours unabridged. At 1.5× speed that drops to roughly 9 hours.
Is the Sentinel audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Sentinel?
Sentinel is narrated by Adam Gold.
Is Sentinel worth listening to at 1.5× speed?
At 1.5× you'd finish in about 9 hours, saving 4.5 hours.