The Books Insiderindependent audiobook data
Riverkeeper: Protecting an American River by Nancy F. Castaldo

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).

1.5listening hrs
Non-fiction (Kids)store shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 1.5 hours of listening.

Days to finish Riverkeeper: Protecting an American River at common listening paces
Your paceYou'll finish in
30 min / day3 days
1 hour / day2 days
2 hours / day1 day
1 hour / day at 1.5×1 day

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.

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

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Questions 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.