
Betrayal of Mercia: Audiobook
Book 7 of the Eagle of Mercia Chronicles series
According to The Books Insider's catalog data, the Betrayal of Mercia audiobook runs 9.6 hours unabridged, narrated by Sean Barrett (about 6.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 9.6 hours, it runs longer than 58% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.
More narrated by Sean Barrett
Sean Barrett narrates 171 unabridged audiobooks in our catalog, 1,729 hours in all.
About as long, on the Action & Adventure (Fiction) shelf
1,185 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
Betrayal of Mercia is book 7 of MJ Porter's Eagle of Mercia Chronicles series: a 9.6-hour unabridged recording, read by Sean Barrett, released January 5, 2025, on the Action & Adventure (Fiction) and Westerns & War shelves.
The listen at a glance
- Length
- 9.6 hrs
- Narrated by
- Sean Barrett
- Released
- January 5, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Action & Adventure (Fiction), Westerns & War
- Series
- The Eagle of Mercia Chronicles #7
- ISBN
- 9781836174837
How to listen to Betrayal of Mercia 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 Betrayal of Mercia audiobook?
Betrayal of Mercia runs 9.6 hours unabridged. At 1.5× speed that drops to roughly 6.4 hours.
Is the Betrayal of Mercia audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Betrayal of Mercia?
Betrayal of Mercia is narrated by Sean Barrett.