One Dark Future: Audiobook
Book 8 of the Opus X series
According to The Books Insider's catalog data, the One Dark Future 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 94% of the 7,923 Mystery & Fantasy audiobooks in our catalog.
Catching up on Opus X
This is book 8. Books 1 to 7 run 85.9 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 Mystery & Fantasy shelf
346 Mystery & Fantasy 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
One Dark Future is book 8 of Michael Anderle's Opus X series: a 11.7-hour unabridged recording, read by Greg Tremblay, released August 21, 2020, on the Mystery & Fantasy and Fairy Tales & Folklore (Kids) shelves.
The listen at a glance
- Length
- 11.7 hrs
- Narrated by
- Greg Tremblay
- Released
- August 21, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy, Fairy Tales & Folklore (Kids)
- Series
- Opus X #8
- ISBN
- 9781666554779
How to listen to One Dark Future 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 One Dark Future audiobook?
One Dark Future runs 11.7 hours unabridged. At 1.5× speed that drops to roughly 7.8 hours.
Is the One Dark Future audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates One Dark Future?
One Dark Future is narrated by Greg Tremblay.
Is One Dark Future worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.8 hours, saving 3.9 hours.