The Geometry of Change: Audiobook
Book 2 of the Living Numbers series
According to The Books Insider's catalog data, The Geometry of Change runs 6.8 hours as an unabridged audiobook, narrated by AI Voice Santiago Machain (about 4.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 14 days |
| 1 hour / day | 7 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 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 6.8 hours, it is shorter than 54% of the 4,073 Animals & Nature (Non-Fiction) audiobooks in our catalog.
Catching up on Living Numbers
This is book 2. Book 1 runs 6.2 hours before it; books 1 to 3 run 19.7 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Populations 101 | 6.2 hrs |
| 2 | The Geometry of Change | 6.8 hrs |
| 3 | Futures in Practice | 6.7 hrs |
More narrated by AI Voice Santiago Machain
AI Voice Santiago Machain narrates 62 unabridged audiobooks in our catalog, 304 hours in all.
About as long, on the Animals & Nature (Non-Fiction) shelf
515 Animals & Nature (Non-Fiction) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Stranger in the Woods: The Extraordinary Story of the Last True Hermit
- A Life on Our Planet: My Witness Statement and A Vision for the Future
- How to Avoid a Climate Disaster: The Solutions We Have and the Breakthroughs We Need
- The Yosemite
- The Book of Hope: A Survival Guide for Trying Times
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 Geometry of Change is book 2 of Santiago Machain's Living Numbers series: a 6.8-hour unabridged recording, read by AI Voice Santiago Machain, released August 15, 2025, on the Animals & Nature (Non-Fiction) shelf.
The listen at a glance
- Length
- 6.8 hrs
- Narrated by
- AI Voice Santiago Machain
- Released
- August 15, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Animals & Nature (Non-Fiction)
- Series
- Living Numbers #2
- ISBN
- 9798295308970
How to listen to The Geometry of Change 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 Geometry of Change as an audiobook?
The Geometry of Change runs 6.8 hours unabridged. At 1.5× speed that drops to roughly 4.5 hours.
Is The Geometry of Change free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Geometry of Change?
The Geometry of Change is narrated by AI Voice Santiago Machain.