Greatest Enemy: Audiobook
Book 1 of the American Mercenary series
According to The Books Insider's catalog data, the Greatest Enemy audiobook runs 5.7 hours unabridged, narrated by Adam Gold (about 3.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 5.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 12 days |
| 1 hour / day | 6 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 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 5.7 hours, it is shorter than 74% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.
Catching up on American Mercenary
This is book 1. Books 1 to 6 run 40.9 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Greatest Enemy | 5.7 hrs |
| 2 | Offer of Revenge | 6 hrs |
| 3 | Dark Redemption | 6.4 hrs |
| 4 | Vengeance Calling | 6.1 hrs |
| 5 | The Suicide Cartel | 6.8 hrs |
| 6 | Terminal Objective | 10 hrs |
More narrated by Adam Gold
Adam Gold narrates 103 unabridged audiobooks in our catalog, 1,086 hours in all.
About as long, on the Action & Adventure (Fiction) shelf
391 Action & Adventure (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
Greatest Enemy is book 1 of Jason Kasper's American Mercenary series: a 5.7-hour unabridged recording, read by Adam Gold, released March 18, 2026, on the Action & Adventure (Fiction) and Westerns & War shelves.
The listen at a glance
- Length
- 5.7 hrs
- Narrated by
- Adam Gold
- Released
- March 18, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Action & Adventure (Fiction), Westerns & War
- Series
- American Mercenary #1
- ISBN
- 9798904110086
How to listen to Greatest Enemy 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 Greatest Enemy audiobook?
Greatest Enemy runs 5.7 hours unabridged. At 1.5× speed that drops to roughly 3.8 hours.
Is the Greatest Enemy audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Greatest Enemy?
Greatest Enemy is narrated by Adam Gold.