The Books Insiderindependent audiobook data
A Known Evil by Aidan Conway

A Known Evil: Audiobook

Book 1 of the Detective Michael Rossi Crime Thriller series

According to The Books Insider's catalog data, A Known Evil runs 12 hours as an unabridged audiobook, narrated by Mark Meadows (about 8 hours at 1.5× playback speed).

12listening hrs
Legal & Politicalstore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 12 hours of listening.

Days to finish A Known Evil 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 12 hours, it runs longer than 75% of the 2,576 Legal & Political audiobooks in our catalog.

Catching up on Detective Michael Rossi Crime Thriller Series

This is book 1. Books 1 to 2 run 23.7 hours in all.

BookTitleLength
1A Known Evil12 hrs
2A Cold Flame11.6 hrs

More narrated by Mark Meadows

Mark Meadows narrates 236 unabridged audiobooks in our catalog, 2,168 hours in all.

All Mark Meadows audiobooks, measured

About as long, on the Legal & Political shelf

565 Legal & Political 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

A Known Evil is book 1 of Aidan Conway's Detective Michael Rossi Crime Thriller series: a 12-hour unabridged recording, read by Mark Meadows, released March 9, 2021, on the Legal & Political shelf.

The listen at a glance

Length
12 hrs
Narrated by
Mark Meadows
Released
March 9, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Legal & Political
Series
Detective Michael Rossi Crime Thriller Series #1
ISBN
9780008461850

How to listen to A Known Evil 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 A Known Evil as an audiobook?

A Known Evil runs 12 hours unabridged. At 1.5× speed that drops to roughly 8 hours.

Is A Known Evil free as an audiobook?

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

Who narrates A Known Evil?

A Known Evil is narrated by Mark Meadows.

Is A Known Evil worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8 hours, saving 4 hours.