The Books Insiderindependent audiobook data
Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI by Tom Shachtman, Robert K. Ressler

Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI: Audiobook

According to The Books Insider's catalog data, the Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI audiobook runs 11.5 hours unabridged, narrated by Tom Perkins (about 7.6 hours at 1.5× playback speed).

11.5listening hrs
Current Affairs, Law, & Politicsstore shelf
2016released
Free for new listeners

The instrument When will you finish it?

Based on 11.5 hours of listening.

Days to finish Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI at common listening paces
Your paceYou'll finish in
30 min / day23 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 11.5 hours, it runs longer than 73% of the 4,722 Current Affairs, Law, & Politics audiobooks in our catalog.

Computed from 170,512 English-language unabridged audiobooks in The Books Insider catalog (store data read October 21, 2026). Lengths are the store's own running times. Methodology.

About this listen

Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI is an audiobook by Tom Shachtman and Robert K. Ressler: a 11.5-hour unabridged recording, read by Tom Perkins, released July 26, 2016, on the True Crime and Current Affairs, Law, & Politics shelves.

The listen at a glance

Length
11.5 hrs
Narrated by
Tom Perkins
Released
July 26, 2016
Format
Unabridged audiobook
Language
English
Store shelves
True Crime, Current Affairs, Law, & Politics
ISBN
9781515978954

How to listen to Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI free

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Questions listeners ask

How long is the Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI audiobook?

Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI runs 11.5 hours unabridged. At 1.5× speed that drops to roughly 7.6 hours.

Is the Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI audiobook free?

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

Who narrates Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI?

Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI is narrated by Tom Perkins.

Is Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI worth listening to at 1.5× speed?

At 1.5× you'd finish in about 7.6 hours, saving 3.8 hours.