Proving Ground: Audiobook
Book 1 of the Lourdes Robles Novels series
According to The Books Insider's catalog data, the Proving Ground audiobook runs 12.9 hours unabridged, narrated by Ari Fliakos (about 8.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 26 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.9 hours, it runs longer than 92% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on Lourdes Robles Novels
This is book 1. Books 1 to 2 run 23.6 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Proving Ground | 12.9 hrs |
| 2 | Sunrise Highway | 10.7 hrs |
More narrated by Ari Fliakos
Ari Fliakos narrates 143 unabridged audiobooks in our catalog, 1,385 hours in all.
About as long, on the Police & Detective shelf
2,069 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
Proving Ground is book 1 of Peter Blauner's Lourdes Robles Novels series: a 12.9-hour unabridged recording, read by Ari Fliakos, released May 2, 2017, on the Police & Detective shelf.
The listen at a glance
- Length
- 12.9 hrs
- Narrated by
- Ari Fliakos
- Released
- May 2, 2017
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- Lourdes Robles Novels #1
- ISBN
- 9781427285935
How to listen to Proving Ground 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 Proving Ground audiobook?
Proving Ground runs 12.9 hours unabridged. At 1.5× speed that drops to roughly 8.6 hours.
Is the Proving Ground audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Proving Ground?
Proving Ground is narrated by Ari Fliakos.
Is Proving Ground worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.6 hours, saving 4.3 hours.