Need to Know: Audiobook
According to The Books Insider's catalog data, the Need to Know audiobook runs 9.7 hours unabridged, narrated by Mia Barron (about 6.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 9.7 hours, it runs longer than 54% of the 6,732 Psychological audiobooks in our catalog.
More narrated by Mia Barron
Mia Barron narrates 193 unabridged audiobooks in our catalog, 1,944 hours in all.
About as long, on the Psychological shelf
2,112 Psychological 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
Need to Know is an audiobook by Karen Cleveland: a 9.7-hour unabridged recording, read by Mia Barron, released January 23, 2018, on the Espionage and Psychological shelves.
The listen at a glance
- Length
- 9.7 hrs
- Narrated by
- Mia Barron
- Released
- January 23, 2018
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Espionage, Psychological
- ISBN
- 9780525530602
How to listen to Need to Know 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 Need to Know audiobook?
Need to Know runs 9.7 hours unabridged. At 1.5× speed that drops to roughly 6.4 hours.
Is the Need to Know audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Need to Know?
Need to Know is narrated by Mia Barron.