The Books Insiderindependent audiobook data
Unholy Trinity: A Michael Biorn Novel by Marc Daniel

Unholy Trinity: A Michael Biorn Novel: Audiobook

Book 2 of the Michael Biorn series

According to The Books Insider's catalog data, the Unholy Trinity: A Michael Biorn Novel audiobook runs 11.7 hours unabridged, narrated by John Mclain (about 7.8 hours at 1.5× playback speed).

11.7listening hrs
Police & Detectivestore shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 11.7 hours of listening.

Days to finish Unholy Trinity: A Michael Biorn Novel at common listening paces
Your paceYou'll finish in
30 min / day24 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 11.7 hours, it runs longer than 87% of the 22,296 Police & Detective audiobooks in our catalog.

Catching up on Michael Biorn

This is book 2. Book 1 runs 12.3 hours before it; books 1 to 2 run 24 hours in all.

About as long, on the Police & Detective shelf

3,347 Police & Detective 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

Unholy Trinity: A Michael Biorn Novel is book 2 of Marc Daniel's Michael Biorn series: a 11.7-hour unabridged recording, read by John Mclain, released May 7, 2019, on the Police & Detective and Paranormal shelves.

The listen at a glance

Length
11.7 hrs
Narrated by
John Mclain
Released
May 7, 2019
Format
Unabridged audiobook
Language
English
Store shelves
Police & Detective, Paranormal
Series
Michael Biorn #2
ISBN
9781977348739

How to listen to Unholy Trinity: A Michael Biorn Novel free

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Questions listeners ask

How long is the Unholy Trinity: A Michael Biorn Novel audiobook?

Unholy Trinity: A Michael Biorn Novel runs 11.7 hours unabridged. At 1.5× speed that drops to roughly 7.8 hours.

Is the Unholy Trinity: A Michael Biorn Novel audiobook free?

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

Who narrates Unholy Trinity: A Michael Biorn Novel?

Unholy Trinity: A Michael Biorn Novel is narrated by John Mclain.

Is Unholy Trinity: A Michael Biorn Novel worth listening to at 1.5× speed?

At 1.5× you'd finish in about 7.8 hours, saving 3.9 hours.