The Books Insiderindependent audiobook data
Endangered Species by Charles E. Gannon

Endangered Species: Audiobook

Book 6 of the Terran Republic: Caine Riordan series

According to The Books Insider's catalog data, the Endangered Species audiobook runs 21.6 hours unabridged, narrated by Paul Woodson (about 14.4 hours at 1.5× playback speed).

21.6listening hrs
Science Fictionstore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 21.6 hours of listening.

Days to finish Endangered Species at common listening paces
Your paceYou'll finish in
30 min / day44 days
1 hour / day22 days
2 hours / day11 days
1 hour / day at 1.5×15 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 21.6 hours, it runs longer than 96% of the 13,269 Science Fiction audiobooks in our catalog.

About as long, on the Science Fiction shelf

353 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

Endangered Species is book 6 of Charles E. Gannon's Terran Republic: Caine Riordan series: a 21.6-hour unabridged recording, read by Paul Woodson, released July 29, 2025, on the Science Fiction shelf.

The listen at a glance

Length
21.6 hrs
Narrated by
Paul Woodson
Released
July 29, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction
Series
Terran Republic: Caine Riordan #6
ISBN
9798331943325

How to listen to Endangered Species 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.

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Questions listeners ask

How long is the Endangered Species audiobook?

Endangered Species runs 21.6 hours unabridged. At 1.5× speed that drops to roughly 14.4 hours.

Is the Endangered Species audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Endangered Species?

Endangered Species is narrated by Paul Woodson.

Is Endangered Species worth listening to at 1.5× speed?

At 1.5× you'd finish in about 14.4 hours, saving 7.2 hours.