Endangered: Audiobook
Book 1 of the Ape Quartet series
According to The Books Insider's catalog data, the Endangered audiobook runs 8.1 hours unabridged, narrated by Adjoa Andoh (about 5.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.1 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 8.1 hours, it is shorter than 61% of the 812 Action & Adventure (Teen & YA) audiobooks in our catalog.
Catching up on Ape Quartet
This is book 1. Books 1 to 4 run 28.6 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Endangered | 8.1 hrs |
| 2 | Threatened | 8.8 hrs |
| 3 | Rescued | 7.4 hrs |
| 4 | Orphaned | 4.3 hrs |
More narrated by Adjoa Andoh
Adjoa Andoh narrates 191 unabridged audiobooks in our catalog, 1,699 hours in all.
About as long, on the Action & Adventure (Teen & YA) shelf
144 Action & Adventure (Teen & YA) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Salt to the Sea
- Harry Potter and the Sorcerer's Stone
- The Infinite Sea: The Second Book of the 5th Wave
- Saving the World and Other Extreme Sports: A Maximum Ride Novel
- Daughter of the Pirate King
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
Endangered is book 1 of Eliot Schrefer's Ape Quartet series: a 8.1-hour unabridged recording, read by Adjoa Andoh, released October 25, 2016, on the Action & Adventure (Teen & YA) shelf.
The listen at a glance
- Length
- 8.1 hrs
- Narrated by
- Adjoa Andoh
- Released
- October 25, 2016
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Action & Adventure (Teen & YA)
- Series
- Ape Quartet #1
- ISBN
- 9781666590821
How to listen to Endangered 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 Endangered audiobook?
Endangered runs 8.1 hours unabridged. At 1.5× speed that drops to roughly 5.4 hours.
Is the Endangered audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Endangered?
Endangered is narrated by Adjoa Andoh.