The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness: Audiobook
According to The Books Insider's catalog data, The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness runs 19.7 hours as an unabridged audiobook, narrated by Keith O'Brien (about 13.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 19.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 40 days |
| 1 hour / day | 20 days |
| 2 hours / day | 10 days |
| 1 hour / day at 1.5× | 14 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 19.7 hours, it runs longer than 99% of the 10,901 Medicine & Naturopathy audiobooks in our catalog.
About as long, on the Medicine & Naturopathy shelf
101 Medicine & Naturopathy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Myth of Normal: Trauma, Illness, and Healing in a Toxic Culture
- The Gene: An Intimate History
- The China Study, Revised and Expanded Edition: The Most Comprehensive Study of Nutrition Ever Conducted and the Startling Implications for Diet, Weight Loss, and Long-Term Health
- On Call: A Doctor's Journey in Public Service
- Seth Speaks: The Eternal Validity of the Soul
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 Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness is an audiobook by Peter Ralston: a 19.7-hour unabridged recording, read by Keith O'Brien, released April 25, 2017, on the Medicine & Naturopathy and Lessons in Philosophy shelves.
The listen at a glance
- Length
- 19.7 hrs
- Narrated by
- Keith O'Brien
- Released
- April 25, 2017
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Medicine & Naturopathy, Lessons in Philosophy
- ISBN
- 9781623171858
How to listen to The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness 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 Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness as an audiobook?
The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness runs 19.7 hours unabridged. At 1.5× speed that drops to roughly 13.2 hours.
Is The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness?
The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness is narrated by Keith O'Brien.
Is The Book of Not Knowing: Exploring the True Nature of Self, Mind, and Consciousness worth listening to at 1.5× speed?
At 1.5× you'd finish in about 13.2 hours, saving 6.6 hours.