The Books Insiderindependent audiobook data
The Devil’s Fortress by Dale Brown

The Devil’s Fortress: Audiobook

Book 4 of the Nick Flynn series

According to The Books Insider's catalog data, The Devil’s Fortress runs 12.8 hours as an unabridged audiobook, narrated by Rob Shapiro (about 8.5 hours at 1.5× playback speed).

12.8listening hrs
Legal & Politicalstore shelf
2024released
Free for new listeners

The instrument When will you finish it?

Based on 12.8 hours of listening.

Days to finish The Devil’s Fortress at common listening paces
Your paceYou'll finish in
30 min / day26 days
1 hour / day13 days
2 hours / day7 days
1 hour / day at 1.5×9 days

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

What our data says

  • At 12.8 hours, it runs longer than 81% of the 2,576 Legal & Political audiobooks in our catalog.

About as long, on the Legal & Political shelf

477 Legal & Political 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 Devil’s Fortress is book 4 of Dale Brown's Nick Flynn series: a 12.8-hour unabridged recording, read by Rob Shapiro, released May 28, 2024, on the Espionage and Legal & Political shelves.

The listen at a glance

Length
12.8 hrs
Narrated by
Rob Shapiro
Released
May 28, 2024
Format
Unabridged audiobook
Language
English
Store shelves
Espionage, Legal & Political
Series
The Nick Flynn Series #4
ISBN
9798212188166

How to listen to The Devil’s Fortress free

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

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Questions listeners ask

How long is The Devil’s Fortress as an audiobook?

The Devil’s Fortress runs 12.8 hours unabridged. At 1.5× speed that drops to roughly 8.5 hours.

Is The Devil’s Fortress free as an audiobook?

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

Who narrates The Devil’s Fortress?

The Devil’s Fortress is narrated by Rob Shapiro.

Is The Devil’s Fortress worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.5 hours, saving 4.3 hours.