The Books Insiderindependent audiobook data
Catalyst Gate by Megan E. O'keefe

Catalyst Gate: Audiobook

Book 3 of the Protectorate series

According to The Books Insider's catalog data, the Catalyst Gate audiobook runs 20.8 hours unabridged, narrated by Joe Jameson (about 13.9 hours at 1.5× playback speed).

20.8listening hrs
Science Fictionstore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 20.8 hours of listening.

Days to finish Catalyst Gate at common listening paces
Your paceYou'll finish in
30 min / day42 days
1 hour / day21 days
2 hours / day11 days
1 hour / day at 1.5×14 days

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

What our data says

  • At 20.8 hours, it runs longer than 96% of the 13,269 Science Fiction audiobooks in our catalog.

Catching up on The Protectorate

This is book 3. Books 1 to 2 run 37.5 hours before it; books 1 to 3 run 58.3 hours in all.

BookTitleLength
1Velocity Weapon18.4 hrs
2Chaos Vector19.1 hrs
3Catalyst Gate20.8 hrs

About as long, on the Science Fiction shelf

401 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

Catalyst Gate is book 3 of Megan E. O'keefe's Protectorate series: a 20.8-hour unabridged recording, read by Joe Jameson, released June 22, 2021, on the Science Fiction shelf.

The listen at a glance

Length
20.8 hrs
Narrated by
Joe Jameson
Released
June 22, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction
Series
The Protectorate #3
ISBN
9781549136542

How to listen to Catalyst Gate 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 Catalyst Gate audiobook?

Catalyst Gate runs 20.8 hours unabridged. At 1.5× speed that drops to roughly 13.9 hours.

Is the Catalyst Gate audiobook free?

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

Who narrates Catalyst Gate?

Catalyst Gate is narrated by Joe Jameson.

Is Catalyst Gate worth listening to at 1.5× speed?

At 1.5× you'd finish in about 13.9 hours, saving 6.9 hours.