The Books Insiderindependent audiobook data
The Fourth Monkey by J.D. Barker

The Fourth Monkey: Audiobook

Book 1 of the 4MK series

According to The Books Insider's catalog data, The Fourth Monkey runs 12.5 hours as an unabridged audiobook, narrated by Edoardo Ballerini (about 8.3 hours at 1.5× playback speed).

12.5listening hrs
Psychologicalstore shelf
2017released
Free for new listeners

The instrument When will you finish it?

Based on 12.5 hours of listening.

Days to finish The Fourth Monkey 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 12.5 hours, it runs longer than 89% of the 6,732 Psychological audiobooks in our catalog.

Catching up on 4MK

This is book 1. Books 1 to 3 run 42.2 hours in all.

BookTitleLength
1The Fourth Monkey12.5 hrs
2The Fifth to Die15.1 hrs
3The Sixth Wicked Child14.5 hrs

More narrated by Edoardo Ballerini

Edoardo Ballerini narrates 448 unabridged audiobooks in our catalog, 4,500 hours in all.

All Edoardo Ballerini audiobooks, measured

About as long, on the Psychological shelf

1,051 Psychological audiobooks in our catalog run within 10% of this length. The most popular on the store:

Other recordings

  • The 2017 recording read by Graham Winton and Edoardo Ballerini runs about the same length (12.5 hours).

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 Fourth Monkey is book 1 of J.D. Barker's 4MK series: a 12.5-hour unabridged recording, read by Edoardo Ballerini, released June 27, 2017, on the Psychological shelf.

The listen at a glance

Length
12.5 hrs
Narrated by
Edoardo Ballerini
Released
June 27, 2017
Format
Unabridged audiobook
Language
English
Store shelves
Psychological
Series
4MK #1
ISBN
9781501946455

How to listen to The Fourth Monkey 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 Fourth Monkey as an audiobook?

The Fourth Monkey runs 12.5 hours unabridged. At 1.5× speed that drops to roughly 8.3 hours.

Is The Fourth Monkey free as an audiobook?

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

Who narrates The Fourth Monkey?

The Fourth Monkey is narrated by Edoardo Ballerini.

Is The Fourth Monkey worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.3 hours, saving 4.2 hours.