The Caldera: Audiobook
Book 7 of the Brotherband Chronicles series
According to The Books Insider's catalog data, The Caldera runs 12.1 hours as an unabridged audiobook, narrated by John Keating (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 99% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
Catching up on The Brotherband Chronicles
This is book 7. Books 1 to 6 run 72.4 hours before it; books 1 to 9 run 103 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Outcasts: Brotherband Chronicles, Book 1 | 12.3 hrs |
| 2 | The Invaders: Brotherband Chronicles, Book 2 | 12.3 hrs |
| 3 | The Hunters: Brotherband Chronicles, Book 3 | 11.6 hrs |
| 4 | Slaves of Socorro | 12.3 hrs |
| 5 | Scorpion Mountain | 12.9 hrs |
| 6 | The Ghostfaces | 10.9 hrs |
| 7 | The Caldera | 12.1 hrs |
| 8 | Return of the Temujai | 10.3 hrs |
| 9 | The Stern Chase | 8.2 hrs |
More narrated by John Keating
John Keating narrates 176 unabridged audiobooks in our catalog, 1,982 hours in all.
About as long, on the Non-fiction (Kids) shelf
135 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- North! Or Be Eaten
- Greenglass House
- Warriors Don't Cry: A Searing Memoir of the Battle to Integrate Little Rock's Central High
- The Hunters: Brotherband Chronicles, Book 3
- Slaves of Socorro
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 Caldera is book 7 of John Flanagan's Brotherband Chronicles series: a 12.1-hour unabridged recording, read by John Keating, released November 21, 2017, on the Action & Adventure (Kids) and Non-fiction (Kids) shelves.
The listen at a glance
- Length
- 12.1 hrs
- Narrated by
- John Keating
- Released
- November 21, 2017
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Action & Adventure (Kids), Non-fiction (Kids), Fairy Tales & Folklore (Kids)
- Series
- The Brotherband Chronicles #7
- ISBN
- 9780525494041
How to listen to The Caldera 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 Caldera as an audiobook?
The Caldera runs 12.1 hours unabridged. At 1.5× speed that drops to roughly 8.1 hours.
Is The Caldera free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Caldera?
The Caldera is narrated by John Keating.
Is The Caldera worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.1 hours, saving 4 hours.