The Books Insiderindependent audiobook data
A Darkling Plain (Mortal Engines, Book 4) by Philip Reeve

A Darkling Plain (Mortal Engines, Book 4): Audiobook

Book 4 of the Mortal Engines series

According to The Books Insider's catalog data, A Darkling Plain (Mortal Engines, Book 4) runs 15.5 hours as an unabridged audiobook, narrated by Barnaby Edwards (about 10.4 hours at 1.5× playback speed).

15.5listening hrs
Sci-Fi, Fantasy & Paranormalstore shelf
2017released
Free for new listeners

The instrument When will you finish it?

Based on 15.5 hours of listening.

Days to finish A Darkling Plain (Mortal Engines, Book 4) at common listening paces
Your paceYou'll finish in
30 min / day31 days
1 hour / day16 days
2 hours / day8 days
1 hour / day at 1.5×11 days

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

What our data says

  • At 15.5 hours, it runs longer than 92% of the 5,647 Sci-Fi, Fantasy & Paranormal audiobooks in our catalog.

Catching up on Mortal Engines

This is book 4. Books 1 to 3 run 28.6 hours before it; books 1 to 4 run 44.1 hours in all.

BookTitleLength
1Mortal Engines (Mortal Engines, Book 1)9 hrs
2Predator's Gold (Mortal Engines, Book 2)9.6 hrs
3Infernal Devices (Mortal Engines, Book 3)10 hrs
4A Darkling Plain (Mortal Engines, Book 4)15.5 hrs

About as long, on the Sci-Fi, Fantasy & Paranormal shelf

390 Sci-Fi, Fantasy & Paranormal 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 Darkling Plain (Mortal Engines, Book 4) is book 4 of Philip Reeve's Mortal Engines series: a 15.5-hour unabridged recording, read by Barnaby Edwards, released December 26, 2017, on the Sci-Fi, Fantasy & Paranormal and Action & Adventure (Teen & YA) shelves.

The listen at a glance

Length
15.5 hrs
Narrated by
Barnaby Edwards
Released
December 26, 2017
Format
Unabridged audiobook
Language
English
Store shelves
Sci-Fi, Fantasy & Paranormal, Action & Adventure (Teen & YA)
Series
Mortal Engines #4
ISBN
9781338214352

How to listen to A Darkling Plain (Mortal Engines, Book 4) free

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Questions listeners ask

How long is A Darkling Plain (Mortal Engines, Book 4) as an audiobook?

A Darkling Plain (Mortal Engines, Book 4) runs 15.5 hours unabridged. At 1.5× speed that drops to roughly 10.4 hours.

Is A Darkling Plain (Mortal Engines, Book 4) free as an audiobook?

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

Who narrates A Darkling Plain (Mortal Engines, Book 4)?

A Darkling Plain (Mortal Engines, Book 4) is narrated by Barnaby Edwards.

Is A Darkling Plain (Mortal Engines, Book 4) worth listening to at 1.5× speed?

At 1.5× you'd finish in about 10.4 hours, saving 5.2 hours.