Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor: Audiobook
Part of Trixie Belden, Girl Detective
According to The Books Insider's catalog data, the Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor audiobook runs 21.3 hours unabridged, narrated by Ariadne Meyers (about 14.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 21.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 43 days |
| 1 hour / day | 22 days |
| 2 hours / day | 11 days |
| 1 hour / day at 1.5× | 15 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 21.3 hours, it runs longer than 100% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
More narrated by Ariadne Meyers
Ariadne Meyers narrates 33 unabridged audiobooks in our catalog, 275 hours in all.
About as long, on the Non-fiction (Kids) shelf
9 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The School for Good and Evil #5: A Crystal of Time: Now a Netflix Originals Movie
- Exploring Creation with Health and Nutrition, 2nd edition
- Exploring Creation With Physics, 2nd Edition
- Faithgirlz Sophie Series Audio Collection, Books 7-12: 6 Books in 1
- Bedtime Stories for Adults: Calm Your Mind, Ensure a Restful Deep Sleep, and Fall Asleep Instantly
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
Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor is an audiobook by Julie Campbell: a 21.3-hour unabridged recording, read by Ariadne Meyers, released November 4, 2025, on the Non-fiction (Kids) and Mystery & Fantasy shelves.
The listen at a glance
- Length
- 21.3 hrs
- Narrated by
- Ariadne Meyers
- Released
- November 4, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids), Mystery & Fantasy
- Series
- Trixie Belden, Girl Detective
- ISBN
- 9798217078516
How to listen to Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor 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 Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor audiobook?
Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor runs 21.3 hours unabridged. At 1.5× speed that drops to roughly 14.2 hours.
Is the Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor?
Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor is narrated by Ariadne Meyers.
Is Trixie Belden Audio Collection: Books #1-4: The Secret of the Mansion; The Red Trailer Mystery; The Gatehouse Mystery; The Mysterious Visitor worth listening to at 1.5× speed?
At 1.5× you'd finish in about 14.2 hours, saving 7.1 hours.