Book of Secrets: A Suspenseful FBI Crime Thriller: Audiobook
Book 1 of the Vital Secrets series
According to The Books Insider's catalog data, the Book of Secrets: A Suspenseful FBI Crime Thriller audiobook runs 9.8 hours unabridged, narrated by Dan Delgado (about 6.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 9.8 hours, it runs longer than 62% of the 13,042 Suspense audiobooks in our catalog.
Catching up on Vital Secrets
This is book 1. Books 1 to 4 run 38.2 hours in all.
More narrated by Dan Delgado
Dan Delgado narrates 18 unabridged audiobooks in our catalog, 129 hours in all.
About as long, on the Suspense shelf
3,193 Suspense audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Housemaid: An absolutely addictive psychological thriller with a jaw-dropping twist
- The Maid
- The Crash
- The Family Upstairs
- The Girl Before
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
Book of Secrets: A Suspenseful FBI Crime Thriller is book 1 of D.F. Hart's Vital Secrets series: a 9.8-hour unabridged recording, read by Dan Delgado, released February 12, 2023, on the Suspense shelf.
The listen at a glance
- Length
- 9.8 hrs
- Narrated by
- Dan Delgado
- Released
- February 12, 2023
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Suspense
- Series
- Vital Secrets #1
- ISBN
- 9781952008832
How to listen to Book of Secrets: A Suspenseful FBI Crime Thriller 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 Book of Secrets: A Suspenseful FBI Crime Thriller audiobook?
Book of Secrets: A Suspenseful FBI Crime Thriller runs 9.8 hours unabridged. At 1.5× speed that drops to roughly 6.6 hours.
Is the Book of Secrets: A Suspenseful FBI Crime Thriller audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Book of Secrets: A Suspenseful FBI Crime Thriller?
Book of Secrets: A Suspenseful FBI Crime Thriller is narrated by Dan Delgado.