Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance: Audiobook
Book 9 of the Hardy Boys Adventures Collection series
According to The Books Insider's catalog data, the Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance audiobook runs 7.1 hours unabridged, narrated by Tim Gregory (about 4.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 15 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 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 7.1 hours, it runs longer than 70% 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
1,163 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
Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance is book 9 of Franklin W. Dixon's Hardy Boys Adventures Collection series: a 7.1-hour unabridged recording, read by Tim Gregory, released February 17, 2026, on the Mystery & Fantasy shelf.
The listen at a glance
- Length
- 7.1 hrs
- Narrated by
- Tim Gregory
- Released
- February 17, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy
- Series
- Hardy Boys Adventures Collection #9
- ISBN
- 9798895641675
How to listen to Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance 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 9: The Gray Hunter's Revenge, The Disappearance audiobook?
Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance runs 7.1 hours unabridged. At 1.5× speed that drops to roughly 4.7 hours.
Is the Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance?
Hardy Boys Adventures Collection Volume 9: The Gray Hunter's Revenge, The Disappearance is narrated by Tim Gregory.