Unfaithful Covenant: Audiobook
Book 10 of the Opus X series
According to The Books Insider's catalog data, the Unfaithful Covenant audiobook runs 11.7 hours unabridged, narrated by Greg Tremblay (about 7.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 11.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 24 days |
| 1 hour / day | 12 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 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 11.7 hours, it runs longer than 74% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Opus X
This is book 10. Books 1 to 9 run 109.6 hours before it; books 1 to 12 run 146.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Obsidian Detective | 12.3 hrs |
| 2 | Shattered Truth | 12.6 hrs |
| 3 | Investigating Deceit | 12.7 hrs |
| 4 | Enlightened Ignorance | 12.3 hrs |
| 5 | A Cabal of Lies | 12.1 hrs |
| 6 | Maelstrom of Treason | 12.1 hrs |
| 7 | Shadows of Opinion | 11.8 hrs |
| 8 | One Dark Future | 11.7 hrs |
| 9 | Desperate Measures | 11.9 hrs |
| 10 | Unfaithful Covenant | 11.7 hrs |
| 11 | Deception of Age | 12.4 hrs |
| 12 | Crucible of Truth | 12.4 hrs |
More narrated by Greg Tremblay
Greg Tremblay narrates 117 unabridged audiobooks in our catalog, 1,135 hours in all.
About as long, on the Science Fiction shelf
1,936 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: The Old Republic - Legends: Revan
- Armada
- The Troop
- Star Wars: Master & Apprentice
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
Unfaithful Covenant is book 10 of Michael Anderle's Opus X series: a 11.7-hour unabridged recording, read by Greg Tremblay, released November 13, 2020, on the Fantasy and Science Fiction shelves.
The listen at a glance
- Length
- 11.7 hrs
- Narrated by
- Greg Tremblay
- Released
- November 13, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Fantasy, Science Fiction
- Series
- Opus X #10
- ISBN
- 9781666546170
How to listen to Unfaithful Covenant 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 Unfaithful Covenant audiobook?
Unfaithful Covenant runs 11.7 hours unabridged. At 1.5× speed that drops to roughly 7.8 hours.
Is the Unfaithful Covenant audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Unfaithful Covenant?
Unfaithful Covenant is narrated by Greg Tremblay.
Is Unfaithful Covenant worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.8 hours, saving 3.9 hours.