The Drumlin Field: A Military Sci-Fi Adventure: Audiobook
Book 4 of the I, Soldier series
According to The Books Insider's catalog data, The Drumlin Field: A Military Sci-Fi Adventure runs 6.4 hours as an unabridged audiobook, narrated by Bryan Douglas (about 4.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 13 days |
| 1 hour / day | 7 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 6.4 hours, it is shorter than 68% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on I, Soldier
This is book 4. Books 1 to 3 run 20.5 hours before it; books 1 to 6 run 40.8 hours in all.
More narrated by Bryan Douglas
Bryan Douglas narrates 9 unabridged audiobooks in our catalog, 56 hours in all.
About as long, on the Science Fiction shelf
1,119 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
The Drumlin Field: A Military Sci-Fi Adventure is book 4 of Craig Martelle's I, Soldier series: a 6.4-hour unabridged recording, read by Bryan Douglas, released December 15, 2025, on the Science Fiction and Space Opera shelves.
The listen at a glance
- Length
- 6.4 hrs
- Narrated by
- Bryan Douglas
- Released
- December 15, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Space Opera
- Series
- I, Soldier #4
- ISBN
- 9798260828267
How to listen to The Drumlin Field: A Military Sci-Fi Adventure 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 Drumlin Field: A Military Sci-Fi Adventure as an audiobook?
The Drumlin Field: A Military Sci-Fi Adventure runs 6.4 hours unabridged. At 1.5× speed that drops to roughly 4.3 hours.
Is The Drumlin Field: A Military Sci-Fi Adventure free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Drumlin Field: A Military Sci-Fi Adventure?
The Drumlin Field: A Military Sci-Fi Adventure is narrated by Bryan Douglas.