Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19): Audiobook
Book 19 of the A Rachel Gift FBI Suspense Thriller series
According to The Books Insider's catalog data, the Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) audiobook runs 6.8 hours unabridged, narrated by Mary Sarah (about 4.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.8 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 6.8 hours, it is shorter than 74% of the 22,296 Police & Detective audiobooks in our catalog.
More narrated by Mary Sarah
Mary Sarah narrates 248 unabridged audiobooks in our catalog, 2,427 hours in all.
About as long, on the Police & Detective shelf
3,423 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Killing Game (An Alexa Chase Suspense Thriller—Book 1)
- 3rd Degree
- Later
- The Beach House
- Twisted Twenty-Six
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
Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) is book 19 of Blake Pierce's A Rachel Gift FBI Suspense Thriller series: a 6.8-hour unabridged recording, read by Mary Sarah, released August 1, 2025, on the Police & Detective shelf.
The listen at a glance
- Length
- 6.8 hrs
- Narrated by
- Mary Sarah
- Released
- August 1, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- A Rachel Gift FBI Suspense Thriller #19
- ISBN
- 9798341580527
How to listen to Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) 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 Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) audiobook?
Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) runs 6.8 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is the Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19)?
Her Last Promise (A Rachel Gift FBI Suspense Thriller—Book 19) is narrated by Mary Sarah.