The Books Insiderindependent audiobook data
The Investigator by John Sandford

The Investigator: Audiobook

Book 1 of the Letty Davenport series

According to The Books Insider's catalog data, The Investigator runs 13 hours as an unabridged audiobook, narrated by Richard Ferrone (about 8.7 hours at 1.5× playback speed).

13listening hrs
Police & Detectivestore shelf
2022released
Free for new listeners

The instrument When will you finish it?

Based on 13 hours of listening.

Days to finish The Investigator at common listening paces
Your paceYou'll finish in
30 min / day26 days
1 hour / day13 days
2 hours / day7 days
1 hour / day at 1.5×9 days

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

What our data says

  • At 13 hours, it runs longer than 93% of the 22,296 Police & Detective audiobooks in our catalog.

Catching up on Letty Davenport

This is book 1. Books 1 to 2 run 24.2 hours in all.

BookTitleLength
1The Investigator13 hrs
2Dark Angel11.1 hrs

More narrated by Richard Ferrone

Richard Ferrone narrates 273 unabridged audiobooks in our catalog, 3,217 hours in all.

All Richard Ferrone audiobooks, measured

About as long, on the Police & Detective shelf

1,891 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

The Investigator is book 1 of John Sandford's Letty Davenport series: a 13-hour unabridged recording, read by Richard Ferrone, released April 12, 2022, on the Police & Detective and Suspense shelves.

The listen at a glance

Length
13 hrs
Narrated by
Richard Ferrone
Released
April 12, 2022
Format
Unabridged audiobook
Language
English
Store shelves
Police & Detective, Suspense
Series
Letty Davenport #1
ISBN
9780593552872

How to listen to The Investigator 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 Investigator as an audiobook?

The Investigator runs 13 hours unabridged. At 1.5× speed that drops to roughly 8.7 hours.

Is The Investigator free as an audiobook?

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

Who narrates The Investigator?

The Investigator is narrated by Richard Ferrone.

Is The Investigator worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.7 hours, saving 4.3 hours.