The 12th Planet (Book I): Audiobook
According to The Books Insider's catalog data, The 12th Planet (Book I) runs 15.8 hours as an unabridged audiobook, narrated by Peter Lownds (about 10.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 15.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 32 days |
| 1 hour / day | 16 days |
| 2 hours / day | 8 days |
| 1 hour / day at 1.5× | 11 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 15.8 hours, it runs longer than 97% of the 10,901 Medicine & Naturopathy audiobooks in our catalog.
More narrated by Peter Lownds
Peter Lownds narrates 12 unabridged audiobooks in our catalog, 180 hours in all.
About as long, on the Medicine & Naturopathy shelf
251 Medicine & Naturopathy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Magicians of the Gods: Sequel to the International Bestseller Fingerprints of the Gods
- In the Realm of Hungry Ghosts: Close Encounters with Addiction
- DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences
- Destiny of Souls: New Case Studies of Life Between Lives
- America Before: The Key to Earth's Lost Civilization
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 12th Planet (Book I) is an audiobook by Zecharia Sitchin: a 15.8-hour unabridged recording, read by Peter Lownds, released February 3, 2026, on the Medicine & Naturopathy shelf.
The listen at a glance
- Length
- 15.8 hrs
- Narrated by
- Peter Lownds
- Released
- February 3, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Medicine & Naturopathy
- ISBN
- 9781668145609
How to listen to The 12th Planet (Book I) 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 12th Planet (Book I) as an audiobook?
The 12th Planet (Book I) runs 15.8 hours unabridged. At 1.5× speed that drops to roughly 10.5 hours.
Is The 12th Planet (Book I) free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The 12th Planet (Book I)?
The 12th Planet (Book I) is narrated by Peter Lownds.
Is The 12th Planet (Book I) worth listening to at 1.5× speed?
At 1.5× you'd finish in about 10.5 hours, saving 5.3 hours.