The Books Insiderindependent audiobook data
Robert Ludlum's (TM) The Janson Equation by Douglas Corleone

Robert Ludlum's (TM) The Janson Equation: Audiobook

Book 4 of the Janson series

According to The Books Insider's catalog data, the Robert Ludlum's (TM) The Janson Equation audiobook runs 12 hours unabridged, narrated by Kevin T. Collins (about 8 hours at 1.5× playback speed).

12listening hrs
Action & Adventure (Fiction)store shelf
2015released
Free for new listeners

The instrument When will you finish it?

Based on 12 hours of listening.

Days to finish Robert Ludlum's (TM) The Janson Equation 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 77% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.

About as long, on the Action & Adventure (Fiction) shelf

1,020 Action & Adventure (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

Robert Ludlum's (TM) The Janson Equation is book 4 of Douglas Corleone's Janson series: a 12-hour unabridged recording, read by Kevin T. Collins, released June 2, 2015, on the Action & Adventure (Fiction) and Espionage shelves.

The listen at a glance

Length
12 hrs
Narrated by
Kevin T. Collins
Released
June 2, 2015
Format
Unabridged audiobook
Language
English
Store shelves
Action & Adventure (Fiction), Espionage
Series
Janson series #4
ISBN
9781478979593

How to listen to Robert Ludlum's (TM) The Janson Equation free

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Questions listeners ask

How long is the Robert Ludlum's (TM) The Janson Equation audiobook?

Robert Ludlum's (TM) The Janson Equation runs 12 hours unabridged. At 1.5× speed that drops to roughly 8 hours.

Is the Robert Ludlum's (TM) The Janson Equation audiobook free?

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

Who narrates Robert Ludlum's (TM) The Janson Equation?

Robert Ludlum's (TM) The Janson Equation is narrated by Kevin T. Collins.

Is Robert Ludlum's (TM) The Janson Equation worth listening to at 1.5× speed?

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