Defending Earth: Audiobook
Book 3 of the In the System series
According to The Books Insider's catalog data, the Defending Earth audiobook runs 12.2 hours unabridged, narrated by Gabriel Vaughan (about 8.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 25 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.2 hours, it runs longer than 76% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on In the System
This is book 3. Books 1 to 2 run 21.1 hours before it; books 1 to 7 run 78.7 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | City of Goblins | 10.2 hrs |
| 2 | City of the Undead | 10.8 hrs |
| 3 | Defending Earth | 12.2 hrs |
| 4 | Overlord of the Dungeon | 13 hrs |
| 5 | Sovereign | 14.1 hrs |
| 6 | The Return | 9.4 hrs |
| 7 | The Choice | 8.9 hrs |
More narrated by Gabriel Vaughan
Gabriel Vaughan narrates 99 unabridged audiobooks in our catalog, 1,054 hours in all.
About as long, on the Science Fiction shelf
1,855 Science Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Star Wars Legends: Darth Bane Trilogy: Path of Destruction
- Star Wars: Thrawn: Alliances
- Star Wars: The Old Republic - Legends: Revan
- Star Wars: Thrawn: Treason
- Armada
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
Defending Earth is book 3 of Petr Zhgulyov's In the System series: a 12.2-hour unabridged recording, read by Gabriel Vaughan, released December 28, 2021, on the Science Fiction shelf.
The listen at a glance
- Length
- 12.2 hrs
- Narrated by
- Gabriel Vaughan
- Released
- December 28, 2021
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- Series
- In the System #3
- ISBN
- 9781705269022
How to listen to Defending Earth 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 Defending Earth audiobook?
Defending Earth runs 12.2 hours unabridged. At 1.5× speed that drops to roughly 8.1 hours.
Is the Defending Earth audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Defending Earth?
Defending Earth is narrated by Gabriel Vaughan.
Is Defending Earth worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.1 hours, saving 4.1 hours.