Catalyst: Audiobook
Book 1 of the Chain Reaction series
According to The Books Insider's catalog data, the Catalyst audiobook runs 8.9 hours unabridged, narrated by J.F. Harding (about 5.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 18 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 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 8.9 hours, it runs longer than 61% of the 16,241 Modern audiobooks in our catalog.
Catching up on Chain Reaction
This is book 1. Books 1 to 3 run 31.7 hours in all.
More narrated by J.F. Harding
J.F. Harding narrates 134 unabridged audiobooks in our catalog, 1,177 hours in all.
About as long, on the Modern shelf
3,487 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
Catalyst is book 1 of Aurora Crane's Chain Reaction series: a 8.9-hour unabridged recording, read by J.F. Harding, released March 25, 2025, on the Modern and LGBTQ+ (Romance) shelves.
The listen at a glance
- Length
- 8.9 hrs
- Narrated by
- J.F. Harding
- Released
- March 25, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Modern, LGBTQ+ (Romance)
- Series
- Chain Reaction #1
- ISBN
- 9798855581386
How to listen to Catalyst 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 Catalyst audiobook?
Catalyst runs 8.9 hours unabridged. At 1.5× speed that drops to roughly 5.9 hours.
Is the Catalyst audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Catalyst?
Catalyst is narrated by J.F. Harding.