The Books Insiderindependent audiobook data
Threat Warning by John Gilstrap

Threat Warning: Audiobook

Book 3 of the Jonathan Grave Thriller series

According to The Books Insider's catalog data, the Threat Warning audiobook runs 12.1 hours unabridged, narrated by Basil Sands (about 8.1 hours at 1.5× playback speed).

12.1listening hrs
Action & Adventure (Fiction)store shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 12.1 hours of listening.

Days to finish Threat Warning at common listening paces
Your paceYou'll finish in
30 min / day25 days
1 hour / day13 days
2 hours / day7 days
1 hour / day at 1.5×9 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 12.1 hours, it runs longer than 78% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.

Catching up on Jonathan Grave Thriller

This is book 3. Books 1 to 2 run 28.8 hours before it; books 1 to 3 run 41 hours in all.

BookTitleLength
1No Mercy14.5 hrs
2Hostage Zero14.3 hrs
3Threat Warning12.1 hrs

About as long, on the Action & Adventure (Fiction) shelf

987 Action & Adventure (Fiction) 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

Threat Warning is book 3 of John Gilstrap's Jonathan Grave Thriller series: a 12.1-hour unabridged recording, read by Basil Sands, released December 21, 2021, on the Legal & Political and Action & Adventure (Fiction) shelves.

The listen at a glance

Length
12.1 hrs
Narrated by
Basil Sands
Released
December 21, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Legal & Political, Action & Adventure (Fiction)
Series
Jonathan Grave Thriller #3
ISBN
9781666169669

How to listen to Threat Warning 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 free

Questions listeners ask

How long is the Threat Warning audiobook?

Threat Warning runs 12.1 hours unabridged. At 1.5× speed that drops to roughly 8.1 hours.

Is the Threat Warning audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Threat Warning?

Threat Warning is narrated by Basil Sands.

Is Threat Warning worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.1 hours, saving 4 hours.