The Sixth Idea: Audiobook
Book 7 of the Monkeewrench Novels series
According to The Books Insider's catalog data, The Sixth Idea runs 7.5 hours as an unabridged audiobook, narrated by Peter Berkrot (about 5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 15 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 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 7.5 hours, it is shorter than 66% of the 22,296 Police & Detective audiobooks in our catalog.
More narrated by Peter Berkrot
Peter Berkrot narrates 390 unabridged audiobooks in our catalog, 3,854 hours in all.
About as long, on the Police & Detective shelf
4,395 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
- 3rd Degree
- Open Season
- The Beach House
- Twisted Twenty-Six
- The 18th Abduction
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 Sixth Idea is book 7 of P. J. Tracy's Monkeewrench Novels series: a 7.5-hour unabridged recording, read by Peter Berkrot, released July 22, 2025, on the Police & Detective shelf.
The listen at a glance
- Length
- 7.5 hrs
- Narrated by
- Peter Berkrot
- Released
- July 22, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- Monkeewrench Novels #7
- ISBN
- 9798897569014
How to listen to The Sixth Idea 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 Sixth Idea as an audiobook?
The Sixth Idea runs 7.5 hours unabridged. At 1.5× speed that drops to roughly 5 hours.
Is The Sixth Idea free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Sixth Idea?
The Sixth Idea is narrated by Peter Berkrot.