The Books Insiderindependent audiobook data
Spark by Helen Hardt

Spark: Audiobook

Book 19 of the Steel Brothers series

According to The Books Insider's catalog data, the Spark audiobook runs 7.4 hours unabridged, narrated by Oliver Clarke and Troy Duran and others (about 4.9 hours at 1.5× playback speed).

7.4listening hrs
Modernstore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 7.4 hours of listening.

Days to finish Spark at common listening paces
Your paceYou'll finish in
30 min / day15 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×5 days

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

What our data says

  • At 7.4 hours, it is shorter than 56% of the 16,241 Modern audiobooks in our catalog.

About as long, on the Modern shelf

2,882 Modern 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

Spark is book 19 of Helen Hardt's Steel Brothers series: a 7.4-hour unabridged recording, read by Oliver Clarke, Troy Duran and Summer Morton, released September 28, 2021, on the Modern shelf.

The listen at a glance

Length
7.4 hrs
Narrated by
Oliver Clarke, Troy Duran, Summer Morton
Released
September 28, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Modern
Series
The Steel Brothers Saga #19
ISBN
9781713624660

How to listen to Spark 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 Spark audiobook?

Spark runs 7.4 hours unabridged. At 1.5× speed that drops to roughly 4.9 hours.

Is the Spark audiobook free?

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

Who narrates Spark?

Spark is narrated by Oliver Clarke, Troy Duran and Summer Morton.