Mateo: Audiobook
Book 30 of the K9 Files series
According to The Books Insider's catalog data, the Mateo audiobook runs 5.7 hours unabridged, narrated by Brian Melsar (about 3.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 5.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 12 days |
| 1 hour / day | 6 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 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 5.7 hours, it is shorter than 81% of the 7,690 Mystery audiobooks in our catalog.
Catching up on The K9 Files
This is book 30. Books 1 to 29 run 163 hours before it; books 1 to 33 run 185.9 hours in all.
About as long, on the Mystery shelf
940 Mystery audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Deal with the Devil
- Kink Camp: Hunted
- Luck of the Devil
- Demon Rumm
- Long Time Coming
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
Mateo is book 30 of Dale Mayer's K9 Files series: a 5.7-hour unabridged recording, read by Brian Melsar, released October 14, 2025, on the Mystery shelf.
The listen at a glance
- Length
- 5.7 hrs
- Narrated by
- Brian Melsar
- Released
- October 14, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery
- Series
- The K9 Files #30
- ISBN
- 9781778866920
How to listen to Mateo 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 the Mateo audiobook?
Mateo runs 5.7 hours unabridged. At 1.5× speed that drops to roughly 3.8 hours.
Is the Mateo audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Mateo?
Mateo is narrated by Brian Melsar.