Heart of the Storm: Audiobook
Book 3 of the Undertow series
According to The Books Insider's catalog data, the Heart of the Storm audiobook runs 9.8 hours unabridged, narrated by Jennifer Grace (about 6.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 9.8 hours, it runs longer than 96% of the 37,584 Kids audiobooks in our catalog.
Catching up on Undertow
This is book 3. Books 1 to 2 run 23.1 hours before it; books 1 to 3 run 33 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Undertow | 12 hrs |
| 2 | Raging Sea | 11.2 hrs |
| 3 | Heart of the Storm | 9.8 hrs |
More narrated by Jennifer Grace
Jennifer Grace narrates 38 unabridged audiobooks in our catalog, 372 hours in all.
About as long, on the Kids shelf
1,081 Kids 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
Heart of the Storm is book 3 of Michael Buckley's Undertow series: a 9.8-hour unabridged recording, read by Jennifer Grace, released February 7, 2017, on the Kids shelf.
The listen at a glance
- Length
- 9.8 hrs
- Narrated by
- Jennifer Grace
- Released
- February 7, 2017
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Kids
- Series
- Undertow #3
- ISBN
- 9781501939648
How to listen to Heart of the Storm 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 Heart of the Storm audiobook?
Heart of the Storm runs 9.8 hours unabridged. At 1.5× speed that drops to roughly 6.5 hours.
Is the Heart of the Storm audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Heart of the Storm?
Heart of the Storm is narrated by Jennifer Grace.