Merciless Vows: Blood and Thorns Duet, Book 1: Audiobook
Book 1 of the Blood and Thorns Duet series
According to The Books Insider's catalog data, the Merciless Vows: Blood and Thorns Duet, Book 1 audiobook runs 11.7 hours unabridged, narrated by Kale Williams and Lisa Zimmerman (about 7.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 11.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 24 days |
| 1 hour / day | 12 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 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 11.7 hours, it runs longer than 87% of the 16,241 Modern audiobooks in our catalog.
Catching up on Blood and Thorns Duet
This is book 1. Books 1 to 2 run 21 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Merciless Vows: Blood and Thorns Duet, Book 1 | 11.7 hrs |
| 2 | Merciless Union: Blood and Thorns Duet, Book 2 | 9.4 hrs |
More narrated by Kale Williams
Kale Williams narrates 130 unabridged audiobooks in our catalog, 1,151 hours in all.
About as long, on the Modern shelf
2,069 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
Merciless Vows: Blood and Thorns Duet, Book 1 is book 1 of Faith Summers's Blood and Thorns Duet series: a 11.7-hour unabridged recording, read by Kale Williams and Lisa Zimmerman, released February 15, 2022, on the Modern and Mystery shelves.
The listen at a glance
- Length
- 11.7 hrs
- Narrated by
- Kale Williams, Lisa Zimmerman
- Released
- February 15, 2022
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Modern, Mystery
- Series
- Blood and Thorns Duet #1
- ISBN
- 9781039407930
How to listen to Merciless Vows: Blood and Thorns Duet, Book 1 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 Merciless Vows: Blood and Thorns Duet, Book 1 audiobook?
Merciless Vows: Blood and Thorns Duet, Book 1 runs 11.7 hours unabridged. At 1.5× speed that drops to roughly 7.8 hours.
Is the Merciless Vows: Blood and Thorns Duet, Book 1 audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Merciless Vows: Blood and Thorns Duet, Book 1?
Merciless Vows: Blood and Thorns Duet, Book 1 is narrated by Kale Williams and Lisa Zimmerman.
Is Merciless Vows: Blood and Thorns Duet, Book 1 worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.8 hours, saving 3.9 hours.