Invisible War: Audiobook
Book 1 of the Undying Legion series
According to The Books Insider's catalog data, the Invisible War audiobook runs 8 hours unabridged, narrated by Eric Michael Summerer (about 5.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 16 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 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 hours, it is shorter than 56% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Undying Legion
This is book 1. Books 1 to 3 run 23.6 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Invisible War | 8 hrs |
| 2 | Dying Planet | 7.6 hrs |
| 3 | Burning City | 8 hrs |
More narrated by Eric Michael Summerer
Eric Michael Summerer narrates 301 unabridged audiobooks in our catalog, 3,103 hours in all.
- Tapping the Billionaire
- The Seven Principles for Making Marriage Work: A Practical Guide from the Country’s Foremost Relationship Expert, Revised and Updated
- The Champion's Mind: How Great Athletes Think, Train, and Thrive
- Life After Google: The Fall of Big Data and the Rise of the Blockchain Economy
- Uncovering Happiness: Overcoming Depression With Mindfulness and Self-compassion
About as long, on the Science Fiction shelf
1,758 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
Invisible War is book 1 of Joe Kassabian's Undying Legion series: a 8-hour unabridged recording, read by Eric Michael Summerer, released September 17, 2024, on the Science Fiction and Space Opera shelves.
The listen at a glance
- Length
- 8 hrs
- Narrated by
- Eric Michael Summerer
- Released
- September 17, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Space Opera
- Series
- Undying Legion #1
- ISBN
- 9798855555707
How to listen to Invisible War 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 Invisible War audiobook?
Invisible War runs 8 hours unabridged. At 1.5× speed that drops to roughly 5.3 hours.
Is the Invisible War audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Invisible War?
Invisible War is narrated by Eric Michael Summerer.