Viable Threat: Audiobook
Book 1 of the Outbreak Task Force series
According to The Books Insider's catalog data, the Viable Threat audiobook runs 8.5 hours unabridged, narrated by Jeffrey Kafer (about 5.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 17 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 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 8.5 hours, it is shorter than 51% of the 7,690 Mystery audiobooks in our catalog.
Catching up on Outbreak Task Force
This is book 1. Books 1 to 5 run 39.8 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Viable Threat | 8.5 hrs |
| 2 | Smoke & Mirrors | 8.8 hrs |
| 3 | Sleight of Hand | 7.9 hrs |
| 4 | Search & Destroy | 7.2 hrs |
| 5 | Hell & Back | 7.5 hrs |
More narrated by Jeffrey Kafer
Jeffrey Kafer narrates 348 unabridged audiobooks in our catalog, 2,896 hours in all.
About as long, on the Mystery shelf
1,551 Mystery 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
Viable Threat is book 1 of Julie Rowe's Outbreak Task Force series: a 8.5-hour unabridged recording, read by Jeffrey Kafer, released August 24, 2021, on the Mystery shelf.
The listen at a glance
- Length
- 8.5 hrs
- Narrated by
- Jeffrey Kafer
- Released
- August 24, 2021
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery
- Series
- Outbreak Task Force #1
- ISBN
- 9781666158380
How to listen to Viable Threat 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 Viable Threat audiobook?
Viable Threat runs 8.5 hours unabridged. At 1.5× speed that drops to roughly 5.7 hours.
Is the Viable Threat audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Viable Threat?
Viable Threat is narrated by Jeffrey Kafer.