The Fortress Within: Audiobook
Book 2 of the Of The Oak And The Fortress series
According to The Books Insider's catalog data, The Fortress Within runs 5.4 hours as an unabridged audiobook, narrated by AI Voice Alisha S. (about 3.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 5.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 11 days |
| 1 hour / day | 6 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 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 5.4 hours, it is shorter than 83% of the 14,520 Literary Fiction audiobooks in our catalog.
Catching up on Of The Oak And The Fortress
This is book 2. Book 1 runs 5.3 hours before it; books 1 to 3 run 15.7 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Under That Oak's Shade | 5.3 hrs |
| 2 | The Fortress Within | 5.4 hrs |
| 3 | The Field Beyond | 5.1 hrs |
About as long, on the Literary Fiction shelf
908 Literary Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Heart the Lover
- I'm Thinking of Ending Things
- Sea of Tranquility
- Sandwich
- Infinite Country
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 Fortress Within is book 2 of Elia N. H.'s Of The Oak And The Fortress series: a 5.4-hour unabridged recording, read by AI Voice Alisha S., released September 1, 2026, on the Westerns & War and Literary Fiction shelves.
The listen at a glance
- Length
- 5.4 hrs
- Narrated by
- AI Voice Alisha S.
- Released
- September 1, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Westerns & War, Literary Fiction
- Series
- Of The Oak And The Fortress #2
- ISBN
- 9798182632577
How to listen to The Fortress Within 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 Fortress Within as an audiobook?
The Fortress Within runs 5.4 hours unabridged. At 1.5× speed that drops to roughly 3.6 hours.
Is The Fortress Within free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Fortress Within?
The Fortress Within is narrated by AI Voice Alisha S..