The Books Insiderindependent audiobook data
Existential: Crucible, Book 1 by Ryan W. Aslesen

Existential: Crucible, Book 1: Audiobook

Book 1 of the Crucible series

According to The Books Insider's catalog data, the Existential: Crucible, Book 1 audiobook runs 10 hours unabridged, narrated by Jeffrey Kafer (about 6.7 hours at 1.5× playback speed).

10listening hrs
Science Fictionstore shelf
2018released
Free for new listeners

The instrument When will you finish it?

Based on 10 hours of listening.

Days to finish Existential: Crucible, Book 1 at common listening paces
Your paceYou'll finish in
30 min / day20 days
1 hour / day10 days
2 hours / day5 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 hours, it runs longer than 61% of the 13,269 Science Fiction audiobooks in our catalog.

Catching up on Crucible

This is book 1. Books 1 to 2 run 17.5 hours in all.

About as long, on the Science Fiction shelf

2,165 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

Existential: Crucible, Book 1 is book 1 of Ryan W. Aslesen's Crucible series: a 10-hour unabridged recording, read by Jeffrey Kafer, released August 21, 2018, on the Horror and Science Fiction shelves.

The listen at a glance

Length
10 hrs
Narrated by
Jeffrey Kafer
Released
August 21, 2018
Format
Unabridged audiobook
Language
English
Store shelves
Horror, Science Fiction
Series
Crucible #1
ISBN
9781772306804

How to listen to Existential: Crucible, Book 1 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 Existential: Crucible, Book 1 audiobook?

Existential: Crucible, Book 1 runs 10 hours unabridged. At 1.5× speed that drops to roughly 6.7 hours.

Is the Existential: Crucible, Book 1 audiobook free?

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

Who narrates Existential: Crucible, Book 1?

Existential: Crucible, Book 1 is narrated by Jeffrey Kafer.

Is Existential: Crucible, Book 1 worth listening to at 1.5× speed?

At 1.5× you'd finish in about 6.7 hours, saving 3.3 hours.