What You Don't Know Can Hurt You: Audiobook
According to The Books Insider's catalog data, the What You Don't Know Can Hurt You audiobook runs 1.6 hours unabridged, narrated by Jerry Orbach (about 1.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 1.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 4 days |
| 1 hour / day | 2 days |
| 2 hours / day | 1 day |
| 1 hour / day at 1.5× | 2 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 1.6 hours, it is shorter than 96% of the 22,296 Police & Detective audiobooks in our catalog.
About as long, on the Police & Detective shelf
89 Police & Detective 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
What You Don't Know Can Hurt You is an audiobook by John Lutz: a 1.6-hour unabridged recording, read by Jerry Orbach, released April 1, 2009, on the Police & Detective shelf.
The listen at a glance
- Length
- 1.6 hrs
- Narrated by
- Jerry Orbach
- Released
- April 1, 2009
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- ISBN
- 9781601363749
How to listen to What You Don't Know Can Hurt You 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 What You Don't Know Can Hurt You audiobook?
What You Don't Know Can Hurt You runs 1.6 hours unabridged. At 1.5× speed that drops to roughly 1.1 hours.
Is the What You Don't Know Can Hurt You audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates What You Don't Know Can Hurt You?
What You Don't Know Can Hurt You is narrated by Jerry Orbach.