Endangered: A Zoo Mystery: Audiobook
Book 3 of the Zoo Mysteries series
According to The Books Insider's catalog data, the Endangered: A Zoo Mystery audiobook runs 10.3 hours unabridged, narrated by Cassandra Campbell (about 6.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 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 10.3 hours, it runs longer than 75% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on The Zoo Mysteries
This is book 3. Books 1 to 2 run 18.8 hours before it; books 1 to 3 run 29.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Night Kill | 8.8 hrs |
| 2 | Did Not Survive | 10 hrs |
| 3 | Endangered: A Zoo Mystery | 10.3 hrs |
More narrated by Cassandra Campbell
Cassandra Campbell narrates 1,083 unabridged audiobooks in our catalog, 11,240 hours in all.
About as long, on the Police & Detective shelf
5,169 Police & Detective 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
Endangered: A Zoo Mystery is book 3 of Ann Littlewood's Zoo Mysteries series: a 10.3-hour unabridged recording, read by Cassandra Campbell, released July 3, 2012, on the Police & Detective shelf.
The listen at a glance
- Length
- 10.3 hrs
- Narrated by
- Cassandra Campbell
- Released
- July 3, 2012
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- The Zoo Mysteries #3
- ISBN
- 9781481590549
How to listen to Endangered: A Zoo Mystery 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: A Zoo Mystery audiobook?
Endangered: A Zoo Mystery runs 10.3 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.
Is the Endangered: A Zoo Mystery audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Endangered: A Zoo Mystery?
Endangered: A Zoo Mystery is narrated by Cassandra Campbell.
Is Endangered: A Zoo Mystery worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.9 hours, saving 3.4 hours.