A Relentless Fury: Audiobook
Book 3 of the Great War series
According to The Books Insider's catalog data, A Relentless Fury runs 7.1 hours as an unabridged audiobook, narrated by Jeffrey Kafer (about 4.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 15 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 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 7.1 hours, it is shorter than 64% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Great War
This is book 3. Books 1 to 2 run 14.4 hours before it; books 1 to 4 run 29.8 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | A Rain of Fire | 7.3 hrs |
| 2 | A Titan's Vengeance | 7.1 hrs |
| 3 | A Relentless Fury | 7.1 hrs |
| 4 | A Heart of Ice | 8.3 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 Science Fiction shelf
1,414 Science 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
A Relentless Fury is book 3 of Ralph Kern's Great War series: a 7.1-hour unabridged recording, read by Jeffrey Kafer, released June 9, 2020, on the Science Fiction and Space Opera shelves.
The listen at a glance
- Length
- 7.1 hrs
- Narrated by
- Jeffrey Kafer
- Released
- June 9, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Space Opera
- Series
- Great War #3
- ISBN
- 9781494547783
How to listen to A Relentless Fury 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 A Relentless Fury as an audiobook?
A Relentless Fury runs 7.1 hours unabridged. At 1.5× speed that drops to roughly 4.7 hours.
Is A Relentless Fury free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates A Relentless Fury?
A Relentless Fury is narrated by Jeffrey Kafer.