Relentless: Audiobook
Book 1 of the Shattered Hearts series
According to The Books Insider's catalog data, the Relentless audiobook runs 5.2 hours unabridged, narrated by Emily Durante (about 3.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 5.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 11 days |
| 1 hour / day | 6 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 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 5.2 hours, it is shorter than 81% of the 16,241 Modern audiobooks in our catalog.
Catching up on Shattered Hearts
This is book 1. Books 1 to 3 run 19.5 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Relentless | 5.2 hrs |
| 2 | Pieces of You | 6.9 hrs |
| 3 | Bring Me Home | 7.5 hrs |
More narrated by Emily Durante
Emily Durante narrates 369 unabridged audiobooks in our catalog, 3,213 hours in all.
About as long, on the Modern shelf
1,452 Modern 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
Relentless is book 1 of Cassia Leo's Shattered Hearts series: a 5.2-hour unabridged recording, read by Emily Durante, released December 23, 2013, on the Modern and Fiction shelves.
The listen at a glance
- Length
- 5.2 hrs
- Narrated by
- Emily Durante
- Released
- December 23, 2013
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Modern, Fiction
- Series
- Shattered Hearts #1
- ISBN
- 9781452687636
How to listen to Relentless 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 Relentless audiobook?
Relentless runs 5.2 hours unabridged. At 1.5× speed that drops to roughly 3.4 hours.
Is the Relentless audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Relentless?
Relentless is narrated by Emily Durante.