The Books Insiderindependent audiobook data
A Most Efficient Murder by Anthony Slayton

A Most Efficient Murder: Audiobook

Book 1 of the Mr. Quayle Mysteries series

According to The Books Insider's catalog data, A Most Efficient Murder runs 8.4 hours as an unabridged audiobook, narrated by Rafe Beckley (about 5.6 hours at 1.5× playback speed).

8.4listening hrs
Police & Detectivestore shelf
2022released
Free for new listeners

The instrument When will you finish it?

Based on 8.4 hours of listening.

Days to finish A Most Efficient Murder at common listening paces
Your paceYou'll finish in
30 min / day17 days
1 hour / day9 days
2 hours / day5 days
1 hour / day at 1.5×6 days

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

What our data says

  • At 8.4 hours, it is shorter than 53% of the 22,296 Police & Detective audiobooks in our catalog.

Catching up on The Mr. Quayle Mysteries

This is book 1. Books 1 to 2 run 18.2 hours in all.

About as long, on the Police & Detective shelf

5,683 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

A Most Efficient Murder is book 1 of Anthony Slayton's Mr. Quayle Mysteries series: a 8.4-hour unabridged recording, read by Rafe Beckley, released September 5, 2022, on the Police & Detective shelf.

The listen at a glance

Length
8.4 hrs
Narrated by
Rafe Beckley
Released
September 5, 2022
Format
Unabridged audiobook
Language
English
Store shelves
Police & Detective
Series
The Mr. Quayle Mysteries #1
ISBN
9798985866421

How to listen to A Most Efficient Murder 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 Most Efficient Murder as an audiobook?

A Most Efficient Murder runs 8.4 hours unabridged. At 1.5× speed that drops to roughly 5.6 hours.

Is A Most Efficient Murder free as an audiobook?

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

Who narrates A Most Efficient Murder?

A Most Efficient Murder is narrated by Rafe Beckley.