Tenuous Defense: Audiobook
Book 3 of the Mercenary Navy series
According to The Books Insider's catalog data, the Tenuous Defense audiobook runs 11 hours unabridged, narrated by Joel Richards (about 7.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 11 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 22 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 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 11 hours, it runs longer than 68% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Mercenary Navy
This is book 3. Books 1 to 2 run 21.2 hours before it; books 1 to 3 run 32.2 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Rawlins' Redemption | 10.5 hrs |
| 2 | Swiftsure Ascendant | 10.8 hrs |
| 3 | Tenuous Defense | 11 hrs |
More narrated by Joel Richards
Joel Richards narrates 222 unabridged audiobooks in our catalog, 2,242 hours in all.
About as long, on the Science Fiction shelf
2,156 Science Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Dark Matter
- Star Wars: The Old Republic - Legends: Revan
- Armada
- Star Wars Legends: Darth Bane Trilogy: Rule of Two
- The Troop
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
Tenuous Defense is book 3 of John J. Spearman's Mercenary Navy series: a 11-hour unabridged recording, read by Joel Richards, released June 3, 2025, on the Science Fiction shelf.
The listen at a glance
- Length
- 11 hrs
- Narrated by
- Joel Richards
- Released
- June 3, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- Series
- Mercenary Navy #3
- ISBN
- 9798331917524
How to listen to Tenuous Defense 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 Tenuous Defense audiobook?
Tenuous Defense runs 11 hours unabridged. At 1.5× speed that drops to roughly 7.3 hours.
Is the Tenuous Defense audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Tenuous Defense?
Tenuous Defense is narrated by Joel Richards.
Is Tenuous Defense worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.3 hours, saving 3.7 hours.