The Copper Horizon: Audiobook
Book 1 of the Keeper Of The Sky Beast series
According to The Books Insider's catalog data, The Copper Horizon runs 12.1 hours as an unabridged audiobook, narrated by AI Voice Alisha S (about 8.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 25 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.1 hours, it runs longer than 75% of the 12,109 Fantasy audiobooks in our catalog.
Catching up on Keeper Of The Sky Beast
This is book 1. Books 1 to 2 run 16.5 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Copper Horizon | 12.1 hrs |
| 2 | The Seven Scattered Horns | 4.4 hrs |
More narrated by AI Voice Alisha S
AI Voice Alisha S narrates 24 unabridged audiobooks in our catalog, 138 hours in all.
About as long, on the Fantasy shelf
1,699 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
The Copper Horizon is book 1 of M. M. Ali's Keeper Of The Sky Beast series: a 12.1-hour unabridged recording, read by AI Voice Alisha S, released September 8, 2026, on the Fantasy and Epic Fantasy shelves.
The listen at a glance
- Length
- 12.1 hrs
- Narrated by
- AI Voice Alisha S
- Released
- September 8, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Fantasy, Epic Fantasy
- Series
- Keeper Of The Sky Beast #1
- ISBN
- 9798182630573
How to listen to The Copper Horizon 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 Copper Horizon as an audiobook?
The Copper Horizon runs 12.1 hours unabridged. At 1.5× speed that drops to roughly 8.1 hours.
Is The Copper Horizon free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Copper Horizon?
The Copper Horizon is narrated by AI Voice Alisha S.
Is The Copper Horizon worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.1 hours, saving 4 hours.