The Only Secret Left to Keep: Audiobook
Book 3 of the Detective Ngaire Blakes series
According to The Books Insider's catalog data, The Only Secret Left to Keep runs 8.2 hours as an unabridged audiobook, narrated by Shiromi Arserio (about 5.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 17 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 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 8.2 hours, it is shorter than 55% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on Detective Ngaire Blakes
This is book 3. Books 1 to 2 run 18.6 hours before it; books 1 to 3 run 26.9 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Three Deaths of Magdalene Lynton | 9.7 hrs |
| 2 | The Second Stage of Grief | 8.9 hrs |
| 3 | The Only Secret Left to Keep | 8.2 hrs |
More narrated by Shiromi Arserio
Shiromi Arserio narrates 214 unabridged audiobooks in our catalog, 2,276 hours in all.
About as long, on the Police & Detective shelf
5,524 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Left To Die (An Adele Sharp Mystery—Book One)
- Girl on a Train
- Open Season
- Savage Run
- The 18th Abduction
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
The Only Secret Left to Keep is book 3 of Katherine Hayton's Detective Ngaire Blakes series: a 8.2-hour unabridged recording, read by Shiromi Arserio, released April 16, 2019, on the Police & Detective shelf.
The listen at a glance
- Length
- 8.2 hrs
- Narrated by
- Shiromi Arserio
- Released
- April 16, 2019
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- Detective Ngaire Blakes #3
- ISBN
- 9781977344762
How to listen to The Only Secret Left to Keep 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 Only Secret Left to Keep as an audiobook?
The Only Secret Left to Keep runs 8.2 hours unabridged. At 1.5× speed that drops to roughly 5.5 hours.
Is The Only Secret Left to Keep free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Only Secret Left to Keep?
The Only Secret Left to Keep is narrated by Shiromi Arserio.