
The 4th Secret: Audiobook
Book 2 of the Harker Chronicles series
According to The Books Insider's catalog data, The 4th Secret runs 16.6 hours as an unabridged audiobook, narrated by Peter Noble (about 11 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 16.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 34 days |
| 1 hour / day | 17 days |
| 2 hours / day | 9 days |
| 1 hour / day at 1.5× | 12 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 16.6 hours, it runs longer than 94% of the 8,772 Paranormal audiobooks in our catalog.
Catching up on The Harker Chronicles
This is book 2. Book 1 runs 13.8 hours before it; books 1 to 3 run 43.5 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Relics | 13.8 hrs |
| 2 | The 4th Secret | 16.6 hrs |
| 3 | The Last Judgement | 13.1 hrs |
More narrated by Peter Noble
Peter Noble narrates 336 unabridged audiobooks in our catalog, 4,121 hours in all.
- The Second Wife
- Italy - Culture Smart!: The Essential Guide to Customs & Culture
- The Dilemma
- The Wide Wide Sea: Imperial Ambition, First Contact and the Fateful Final Voyage of Captain James Cook
- Stalingrad: The million-copy bestselling military history and award-winning account of the pivotal World War 2 battle
About as long, on the Paranormal shelf
374 Paranormal audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Shining
- Pet Sematary
- If It Bleeds: Mr. Harrigan's Phone, The Life of Chuck, If It Bleeds, Rat
- The Awakening: The Dragon Heart Legacy, Book 1
- The Dead Zone
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 4th Secret is book 2 of R.D. Shah's Harker Chronicles series: a 16.6-hour unabridged recording, read by Peter Noble, released December 15, 2020, on the Paranormal shelf.
The listen at a glance
- Length
- 16.6 hrs
- Narrated by
- Peter Noble
- Released
- December 15, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Paranormal
- Series
- The Harker Chronicles #2
- ISBN
- 9781666544466
How to listen to The 4th Secret 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 freeQuestions listeners ask
How long is The 4th Secret as an audiobook?
The 4th Secret runs 16.6 hours unabridged. At 1.5× speed that drops to roughly 11 hours.
Is The 4th Secret free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The 4th Secret?
The 4th Secret is narrated by Peter Noble.
Is The 4th Secret worth listening to at 1.5× speed?
At 1.5× you'd finish in about 11 hours, saving 5.5 hours.