The Books Insiderindependent audiobook data
The Mongrel by Walt Robillard

The Mongrel: Audiobook

Book 1 of the Hunter's Moon series

According to The Books Insider's catalog data, The Mongrel runs 10.4 hours as an unabridged audiobook, narrated by Joe Hempel (about 6.9 hours at 1.5× playback speed).

10.4listening hrs
Science Fictionstore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 10.4 hours of listening.

Days to finish The Mongrel at common listening paces
Your paceYou'll finish in
30 min / day21 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×7 days

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

What our data says

  • At 10.4 hours, it runs longer than 64% of the 13,269 Science Fiction audiobooks in our catalog.

Catching up on The Hunter's Moon Series

This is book 1. Books 1 to 3 run 37.7 hours in all.

BookTitleLength
1The Mongrel10.4 hrs
2The Revenant13.4 hrs
3The Sentinel13.9 hrs

More narrated by Joe Hempel

Joe Hempel narrates 433 unabridged audiobooks in our catalog, 3,472 hours in all.

All Joe Hempel audiobooks, measured

About as long, on the Science Fiction shelf

2,138 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

The Mongrel is book 1 of Walt Robillard's Hunter's Moon series: a 10.4-hour unabridged recording, read by Joe Hempel, released August 17, 2021, on the Science Fiction and Space Opera shelves.

The listen at a glance

Length
10.4 hrs
Narrated by
Joe Hempel
Released
August 17, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction, Space Opera
Series
The Hunter's Moon Series #1
ISBN
9781665056441

How to listen to The Mongrel 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 free

Questions listeners ask

How long is The Mongrel as an audiobook?

The Mongrel runs 10.4 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.

Is The Mongrel free as an audiobook?

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

Who narrates The Mongrel?

The Mongrel is narrated by Joe Hempel.

Is The Mongrel worth listening to at 1.5× speed?

At 1.5× you'd finish in about 6.9 hours, saving 3.5 hours.