The 9th Stratum: Your Guide to High Performance: Audiobook
According to The Books Insider's catalog data, The 9th Stratum: Your Guide to High Performance runs 14.6 hours as an unabridged audiobook, narrated by Kelly Johnson and Aaron Salko (about 9.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 14.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 30 days |
| 1 hour / day | 15 days |
| 2 hours / day | 8 days |
| 1 hour / day at 1.5× | 10 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 14.6 hours, it runs longer than 99% of the 6,401 Career Development audiobooks in our catalog.
More narrated by Kelly Johnson
Kelly Johnson narrates 201 unabridged audiobooks in our catalog, 47 hours in all.
About as long, on the Career Development shelf
64 Career Development audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Life Changing Secrets from the 3 Masters Success: Three Habits to Achieve Abundance in Your Finances, Your Relationships,Your Health, and Your Life
- Public Speaking for Success
- Maximum Achievement: Strategies and Skills That Will Unlock Your Hidden Powers to Succeed
- Scars and Stripes: An Unapologetically American Story of Fighting the Taliban, UFC Warriors, and Myself
- The Black Swan: Second Edition: The Impact of the Highly Improbable: With a new section: 'On Robustness and Fragility'
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 9th Stratum: Your Guide to High Performance is an audiobook by Aaron Salko: a 14.6-hour unabridged recording, read by Kelly Johnson and Aaron Salko, released September 9, 2023, on the Career Development shelf.
The listen at a glance
- Length
- 14.6 hrs
- Narrated by
- Kelly Johnson, Aaron Salko
- Released
- September 9, 2023
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Career Development
- ISBN
- 9798988492832
How to listen to The 9th Stratum: Your Guide to High Performance 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 9th Stratum: Your Guide to High Performance as an audiobook?
The 9th Stratum: Your Guide to High Performance runs 14.6 hours unabridged. At 1.5× speed that drops to roughly 9.7 hours.
Is The 9th Stratum: Your Guide to High Performance free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The 9th Stratum: Your Guide to High Performance?
The 9th Stratum: Your Guide to High Performance is narrated by Kelly Johnson and Aaron Salko.
Is The 9th Stratum: Your Guide to High Performance worth listening to at 1.5× speed?
At 1.5× you'd finish in about 9.7 hours, saving 4.9 hours.