The Books Insiderindependent audiobook data
To Challenge Heaven by Chris Kennedy, David Weber

To Challenge Heaven: Audiobook

Book 3 of the Out of the Dark series

According to The Books Insider's catalog data, the To Challenge Heaven audiobook runs 11.5 hours unabridged, narrated by Martyn Swain (about 7.7 hours at 1.5× playback speed).

11.5listening hrs
Science Fictionstore shelf
2024released
Free for new listeners

The instrument When will you finish it?

Based on 11.5 hours of listening.

Days to finish To Challenge Heaven at common listening paces
Your paceYou'll finish in
30 min / day23 days
1 hour / day12 days
2 hours / day6 days
1 hour / day at 1.5×8 days

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

What our data says

  • At 11.5 hours, it runs longer than 72% of the 13,269 Science Fiction audiobooks in our catalog.

Catching up on Out of the Dark

This is book 3. Books 1 to 2 run 42.3 hours before it; books 1 to 3 run 53.8 hours in all.

BookTitleLength
1Out of the Dark16.8 hrs
2Into the Light25.5 hrs
3To Challenge Heaven11.5 hrs

About as long, on the Science Fiction shelf

2,003 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

To Challenge Heaven is book 3 of Chris Kennedy's Out of the Dark series: a 11.5-hour unabridged recording, read by Martyn Swain, released January 16, 2024, on the Science Fiction and Space Opera shelves.

The listen at a glance

Length
11.5 hrs
Narrated by
Martyn Swain
Released
January 16, 2024
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction, Space Opera
Series
Out of the Dark #3
ISBN
9781250332400

How to listen to To Challenge Heaven 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 To Challenge Heaven audiobook?

To Challenge Heaven runs 11.5 hours unabridged. At 1.5× speed that drops to roughly 7.7 hours.

Is the To Challenge Heaven audiobook free?

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

Who narrates To Challenge Heaven?

To Challenge Heaven is narrated by Martyn Swain.

Is To Challenge Heaven worth listening to at 1.5× speed?

At 1.5× you'd finish in about 7.7 hours, saving 3.8 hours.