Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain: Audiobook
Book 10 of the Hardy Boys Adventures Collection series
According to The Books Insider's catalog data, the Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain audiobook runs 9.1 hours unabridged, narrated by Tim Gregory (about 6.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 19 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 9.1 hours, it runs longer than 87% of the 7,923 Mystery & Fantasy audiobooks in our catalog.
More narrated by Tim Gregory
Tim Gregory narrates 245 unabridged audiobooks in our catalog, 1,267 hours in all.
About as long, on the Mystery & Fantasy shelf
769 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The False Prince (The Ascendance Series, Book 1)
- The Graveyard Book: Full Cast Production
- Howl's Moving Castle
- On the Edge of the Dark Sea of Darkness
- Warriors #2: Fire and Ice
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
Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain is book 10 of Franklin W. Dixon's Hardy Boys Adventures Collection series: a 9.1-hour unabridged recording, read by Tim Gregory, released February 17, 2026, on the Mystery & Fantasy shelf.
The listen at a glance
- Length
- 9.1 hrs
- Narrated by
- Tim Gregory
- Released
- February 17, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy
- Series
- Hardy Boys Adventures Collection #10
- ISBN
- 9798895641682
How to listen to Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain 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 Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain audiobook?
Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain runs 9.1 hours unabridged. At 1.5× speed that drops to roughly 6.1 hours.
Is the Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain?
Hardy Boys Adventures Collection Volume 10: Dungeons & Detectives, Return to Black Mountain is narrated by Tim Gregory.