The Books Insiderindependent audiobook data
A Deadly Promise by Paula Harmon

A Deadly Promise: Audiobook

Book 6 of the Margaret Demeray series

According to The Books Insider's catalog data, A Deadly Promise runs 10.8 hours as an unabridged audiobook, narrated by Madeleine Brolly (about 7.2 hours at 1.5× playback speed).

10.8listening hrs
Police & Detectivestore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 10.8 hours of listening.

Days to finish A Deadly Promise at common listening paces
Your paceYou'll finish in
30 min / day22 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×8 days

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

What our data says

  • At 10.8 hours, it runs longer than 80% of the 22,296 Police & Detective audiobooks in our catalog.

About as long, on the Police & Detective shelf

4,493 Police & Detective 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

A Deadly Promise is book 6 of Paula Harmon's Margaret Demeray series: a 10.8-hour unabridged recording, read by Madeleine Brolly, released December 21, 2025, on the Police & Detective shelf.

The listen at a glance

Length
10.8 hrs
Narrated by
Madeleine Brolly
Released
December 21, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Police & Detective
Series
Margaret Demeray #6
ISBN
9798295376092

How to listen to A Deadly Promise 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 A Deadly Promise as an audiobook?

A Deadly Promise runs 10.8 hours unabridged. At 1.5× speed that drops to roughly 7.2 hours.

Is A Deadly Promise free as an audiobook?

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

Who narrates A Deadly Promise?

A Deadly Promise is narrated by Madeleine Brolly.

Is A Deadly Promise worth listening to at 1.5× speed?

At 1.5× you'd finish in about 7.2 hours, saving 3.6 hours.