Spark: Audiobook
Book 1 of the MacKenny Brothers series
According to The Books Insider's catalog data, the Spark audiobook runs 4.6 hours unabridged, narrated by Shiloh James and Oliver Highpoint (about 3.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 4.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 10 days |
| 1 hour / day | 5 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 4.6 hours, it is shorter than 81% of the 63,227 Romance audiobooks in our catalog.
Catching up on MacKenny Brothers
This is book 1. Books 1 to 3 run 14.5 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Spark | 4.6 hrs |
| 2 | Spark of Vengeance | 5.3 hrs |
| 3 | Spark of Hope | 4.6 hrs |
More narrated by Shiloh James
Shiloh James narrates 72 unabridged audiobooks in our catalog, 687 hours in all.
About as long, on the Romance shelf
3,126 Romance 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 1 of Kathleen Kelly's MacKenny Brothers series: a 4.6-hour unabridged recording, read by Shiloh James and Oliver Highpoint, released July 13, 2026, on the Romance shelf.
The listen at a glance
- Length
- 4.6 hrs
- Narrated by
- Shiloh James, Oliver Highpoint
- Released
- July 13, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Romance
- Series
- MacKenny Brothers #1
- ISBN
- 9798318539138
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 freeQuestions listeners ask
How long is the Spark audiobook?
Spark runs 4.6 hours unabridged. At 1.5× speed that drops to roughly 3.1 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 Shiloh James and Oliver Highpoint.