The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos: Audiobook
According to The Books Insider's catalog data, The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos runs 12.5 hours as an unabridged audiobook, narrated by Leonard Mlodinow (about 8.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 25 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.5 hours, it runs longer than 88% of the 39,028 Non-Fiction audiobooks in our catalog.
More narrated by Leonard Mlodinow
Leonard Mlodinow narrates 5 unabridged audiobooks in our catalog, 38 hours in all.
About as long, on the Non-Fiction shelf
3,518 Non-Fiction 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
The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos is an audiobook by Leonard Mlodinow: a 12.5-hour unabridged recording, read by Leonard Mlodinow, released May 5, 2015, on the Non-Fiction and Biography & Memoir shelves.
The listen at a glance
- Length
- 12.5 hrs
- Narrated by
- Leonard Mlodinow
- Released
- May 5, 2015
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-Fiction, Biography & Memoir
- ISBN
- 9780553551129
How to listen to The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos 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 Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos as an audiobook?
The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos runs 12.5 hours unabridged. At 1.5× speed that drops to roughly 8.3 hours.
Is The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos?
The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos is narrated by Leonard Mlodinow.
Is The Upright Thinkers: The Human Journey from Living in Trees to Understanding the Cosmos worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.3 hours, saving 4.2 hours.