The Hardy Boys - The Secret of the Old Mill: Audiobook
According to The Books Insider's catalog data, The Hardy Boys - The Secret of the Old Mill runs 3.8 hours as an unabridged audiobook, narrated by Brian Arens (about 2.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 3.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 8 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 3 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 3.8 hours, it is shorter than 60% of the 7,923 Mystery & Fantasy audiobooks in our catalog.
More narrated by Brian Arens
Brian Arens narrates 93 unabridged audiobooks in our catalog, 712 hours in all.
- Encyclopedia of Counseling: Master Review and Tutorial for the National Counselor Examination, State Counseling Exams, and the Counselor Preparation Comprehensive Examination
- The Theory of Poker: A Professional Poker Player Teaches You How To Think Like One
- Internal Family Systems Therapy: Second Edition
- How to Blow Up a Pipeline: Learning to Fight in a World on Fire
- You Can Negotiate Anything: The Groundbreaking Original Guide to Negotiation
About as long, on the Mystery & Fantasy shelf
444 Mystery & Fantasy 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 Hardy Boys - The Secret of the Old Mill is an audiobook by Frank W. Dixon: a 3.8-hour unabridged recording, read by Brian Arens, released July 25, 2025, on the Mystery & Fantasy and Classics (Kids) shelves.
The listen at a glance
- Length
- 3.8 hrs
- Narrated by
- Brian Arens
- Released
- July 25, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy, Classics (Kids)
- ISBN
- 9798318175756
How to listen to The Hardy Boys - The Secret of the Old Mill 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 Hardy Boys - The Secret of the Old Mill as an audiobook?
The Hardy Boys - The Secret of the Old Mill runs 3.8 hours unabridged. At 1.5× speed that drops to roughly 2.5 hours.
Is The Hardy Boys - The Secret of the Old Mill free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Hardy Boys - The Secret of the Old Mill?
The Hardy Boys - The Secret of the Old Mill is narrated by Brian Arens.