Critical Mass: A Post-Apocalyptic Survival Thriller: Audiobook
Book 3 of the 6th Extinction series
According to The Books Insider's catalog data, the Critical Mass: A Post-Apocalyptic Survival Thriller audiobook runs 8.2 hours unabridged, narrated by Curtis Michael Holland and Sara Young and others (about 5.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 17 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 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 8.2 hours, it is shorter than 54% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on The 6th Extinction
This is book 3. Books 1 to 2 run 17.8 hours before it; books 1 to 3 run 26 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | First Impact | 9.2 hrs |
| 2 | Existential Threat: A Post-Apocalyptic Survival Thriller | 8.5 hrs |
| 3 | Critical Mass: A Post-Apocalyptic Survival Thriller | 8.2 hrs |
More narrated by Curtis Michael Holland
Curtis Michael Holland narrates 134 unabridged audiobooks in our catalog, 1,208 hours in all.
About as long, on the Science Fiction shelf
1,834 Science 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
Critical Mass: A Post-Apocalyptic Survival Thriller is book 3 of Tara Ellis's 6th Extinction series: a 8.2-hour unabridged recording, read by Curtis Michael Holland, Sara Young and Jennifer Jill Araya and others, released February 23, 2026, on the Science Fiction and Apocalyptic & Dystopian shelves.
The listen at a glance
- Length
- 8.2 hrs
- Narrated by
- Curtis Michael Holland, Sara Young, Jennifer Jill Araya, Nick Mondelli
- Released
- February 23, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Apocalyptic & Dystopian
- Series
- The 6th Extinction #3
- ISBN
- 9798349113086
How to listen to Critical Mass: A Post-Apocalyptic Survival Thriller 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 Critical Mass: A Post-Apocalyptic Survival Thriller audiobook?
Critical Mass: A Post-Apocalyptic Survival Thriller runs 8.2 hours unabridged. At 1.5× speed that drops to roughly 5.5 hours.
Is the Critical Mass: A Post-Apocalyptic Survival Thriller audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Critical Mass: A Post-Apocalyptic Survival Thriller?
Critical Mass: A Post-Apocalyptic Survival Thriller is narrated by Curtis Michael Holland, Sara Young, Jennifer Jill Araya and Nick Mondelli.