The Books Insiderindependent audiobook data
The Immutable Pact by Sarah Noffke

The Immutable Pact: Audiobook

Book 3 of the Delta Underground Operatives: Clara & Damien series

According to The Books Insider's catalog data, The Immutable Pact runs 6.5 hours as an unabridged audiobook, narrated by Annalee Scott (about 4.3 hours at 1.5× playback speed).

6.5listening hrs
Fantasystore shelf
2023released
Free for new listeners

The instrument When will you finish it?

Based on 6.5 hours of listening.

Days to finish The Immutable Pact at common listening paces
Your paceYou'll finish in
30 min / day13 days
1 hour / day7 days
2 hours / day4 days
1 hour / day at 1.5×5 days

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

What our data says

  • At 6.5 hours, it is shorter than 69% of the 12,109 Fantasy audiobooks in our catalog.

Catching up on Delta Underground Operatives: Clara & Damien

This is book 3. Books 1 to 2 run 12 hours before it; books 1 to 3 run 18.5 hours in all.

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 Immutable Pact is book 3 of Sarah Noffke's Delta Underground Operatives: Clara & Damien series: a 6.5-hour unabridged recording, read by Annalee Scott, released May 8, 2023, on the Fantasy and Paranormal shelves.

The listen at a glance

Length
6.5 hrs
Narrated by
Annalee Scott
Released
May 8, 2023
Format
Unabridged audiobook
Language
English
Store shelves
Fantasy, Paranormal
Series
Delta Underground Operatives: Clara & Damien #3
ISBN
9798318453359

How to listen to The Immutable Pact free

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Questions listeners ask

How long is The Immutable Pact as an audiobook?

The Immutable Pact runs 6.5 hours unabridged. At 1.5× speed that drops to roughly 4.3 hours.

Is The Immutable Pact free as an audiobook?

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

Who narrates The Immutable Pact?

The Immutable Pact is narrated by Annalee Scott.