Origin of Mystery: Audiobook
Book 1 of the System of Substance series
According to The Books Insider's catalog data, the Origin of Mystery audiobook runs 16.6 hours unabridged, narrated by AI Voice (about 11 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 16.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 34 days |
| 1 hour / day | 17 days |
| 2 hours / day | 9 days |
| 1 hour / day at 1.5× | 12 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 16.6 hours, it runs longer than 91% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on The System of Substance
This is book 1. Books 1 to 2 run 39.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Origin of Mystery | 16.6 hrs |
| 2 | Story of Distortion | 22.5 hrs |
More narrated by AI Voice
AI Voice narrates 657 unabridged audiobooks in our catalog, 3,873 hours in all.
About as long, on the Science Fiction shelf
827 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
Origin of Mystery is book 1 of X.E. Anomaly's System of Substance series: a 16.6-hour unabridged recording, read by AI Voice, released September 15, 2025, on the Science Fiction and Epic Fantasy shelves.
The listen at a glance
- Length
- 16.6 hrs
- Narrated by
- AI Voice
- Released
- September 15, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Epic Fantasy, Paranormal
- Series
- The System of Substance #1
- ISBN
- 9798295328442
How to listen to Origin of Mystery 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 Origin of Mystery audiobook?
Origin of Mystery runs 16.6 hours unabridged. At 1.5× speed that drops to roughly 11 hours.
Is the Origin of Mystery audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Origin of Mystery?
Origin of Mystery is narrated by AI Voice.
Is Origin of Mystery worth listening to at 1.5× speed?
At 1.5× you'd finish in about 11 hours, saving 5.5 hours.