
Riverkeeper: Protecting an American River: Audiobook
Part of Books for a Better Earth
According to The Books Insider's catalog data, the Riverkeeper: Protecting an American River audiobook runs 1.5 hours unabridged, narrated by Morgan Hallett (about 1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 1.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 3 days |
| 1 hour / day | 2 days |
| 2 hours / day | 1 day |
| 1 hour / day at 1.5× | 1 day |
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 1.5 hours, it is shorter than 54% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
More narrated by Morgan Hallett
Morgan Hallett narrates 139 unabridged audiobooks in our catalog, 1,546 hours in all.
About as long, on the Non-fiction (Kids) shelf
441 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Magic Tree House: Books 1 and 2: Dinosaurs Before Dark, The Knight at Dawn
- I Survived the Joplin Tornado, 2011 (I Survived #12)
- Unicorn Bedtime Stories for Kids: Whimsical Unicorn Fairy Tales to Help Toddlers and Young Children Wind Down, Relax, and Enjoy Sweet, Magical Dreams All Night Long!
- I Survived the Great Chicago Fire, 1871 (I Survived #11)
- Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot (Captain Underpants #12)
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
Riverkeeper: Protecting an American River is an audiobook by Nancy F. Castaldo: a 1.5-hour unabridged recording, read by Morgan Hallett, released May 27, 2025, on the Non-fiction (Kids) and Animals & Nature (Kids) shelves.
The listen at a glance
- Length
- 1.5 hrs
- Narrated by
- Morgan Hallett
- Released
- May 27, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids), Animals & Nature (Kids)
- Series
- Books for a Better Earth
- ISBN
- 9798897560332
How to listen to Riverkeeper: Protecting an American River 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 Riverkeeper: Protecting an American River audiobook?
Riverkeeper: Protecting an American River runs 1.5 hours unabridged. At 1.5× speed that drops to roughly 1 hours.
Is the Riverkeeper: Protecting an American River audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Riverkeeper: Protecting an American River?
Riverkeeper: Protecting an American River is narrated by Morgan Hallett.