Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance: Audiobook
Book 1 of the Rebel Hearts series
According to The Books Insider's catalog data, the Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance audiobook runs 7 hours unabridged, narrated by Heather Henriques (about 4.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 14 days |
| 1 hour / day | 7 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 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 7 hours, it is shorter than 64% of the 13,269 Science Fiction audiobooks in our catalog.
More narrated by Heather Henriques
Heather Henriques narrates 4 unabridged audiobooks in our catalog, 26 hours in all.
About as long, on the Science Fiction shelf
1,347 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
Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance is book 1 of Martina André's Rebel Hearts series: a 7-hour unabridged recording, read by Heather Henriques, released August 27, 2026, on the Science Fiction and Romance shelves.
The listen at a glance
- Length
- 7 hrs
- Narrated by
- Heather Henriques
- Released
- August 27, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Romance
- Series
- Rebel Hearts #1
- ISBN
- 9788727353852
How to listen to Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance 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 Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance audiobook?
Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance runs 7 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is the Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance?
Operation Iron Heart: A spicy, edge-of-your-seat, sci-fi romance is narrated by Heather Henriques.