
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).
The instrument When will you finish it?
Based on 8.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 17 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 days |
You'll finish in – by –
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.
| Book | Title | Length |
|---|---|---|
| 1 | A Most Efficient Murder | 8.4 hrs |
| 2 | A Rather Dastardly Death | 9.8 hrs |
More narrated by Rafe Beckley
Rafe Beckley narrates 23 unabridged audiobooks in our catalog, 207 hours in all.
- If Anyone Builds It, Everyone Dies: Why Superhuman AI Would Kill Us All
- Finding Sustainability: The personal and professional journey of a plastic bag
- Shakespeare’s Greatest Comedies: A Midsummer Night's Dream, The Merchant of Venice, Much Ado About Nothing, As You Like It, Twelfth Night, and The Tempest
- The Avoidable War: The Dangers of a Catastrophic Conflict between the US and Xi Jinping's China
- Small Miracles
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:
- Left To Die (An Adele Sharp Mystery—Book One)
- Girl on a Train
- Open Season
- Savage Run
- The 18th Abduction
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 freeQuestions 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.