The Books Insiderindependent audiobook data
Hearts of Hellfire by Abe Moss

Hearts of Hellfire: Audiobook

Book 1 of the Unmaking series

According to The Books Insider's catalog data, the Hearts of Hellfire audiobook runs 12.2 hours unabridged, narrated by Eric Fox and Leslie Howard (about 8.1 hours at 1.5× playback speed).

12.2listening hrs
Horrorstore shelf
2026released
Free for new listeners

The instrument When will you finish it?

Based on 12.2 hours of listening.

Days to finish Hearts of Hellfire 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 12.2 hours, it runs longer than 86% of the 5,506 Horror audiobooks in our catalog.

Catching up on The Unmaking

This is book 1. Books 1 to 3 run 32.6 hours in all.

BookTitleLength
1Hearts of Hellfire12.2 hrs
2Songs For Sinners10.3 hrs
3The Dance with Devils10.1 hrs

About as long, on the Horror shelf

578 Horror 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

Hearts of Hellfire is book 1 of Abe Moss's Unmaking series: a 12.2-hour unabridged recording, read by Eric Fox and Leslie Howard, released July 21, 2026, on the Horror shelf.

The listen at a glance

Length
12.2 hrs
Narrated by
Eric Fox, Leslie Howard
Released
July 21, 2026
Format
Unabridged audiobook
Language
English
Store shelves
Horror
Series
The Unmaking #1
ISBN
9781668199329

How to listen to Hearts of Hellfire 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 Hearts of Hellfire audiobook?

Hearts of Hellfire runs 12.2 hours unabridged. At 1.5× speed that drops to roughly 8.1 hours.

Is the Hearts of Hellfire audiobook free?

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

Who narrates Hearts of Hellfire?

Hearts of Hellfire is narrated by Eric Fox and Leslie Howard.

Is Hearts of Hellfire worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.1 hours, saving 4.1 hours.