The Mysterious Benedict Society and the Riddle of Ages: Audiobook
Book 4 of the Mysterious Benedict Society series
According to The Books Insider's catalog data, The Mysterious Benedict Society and the Riddle of Ages runs 12 hours as an unabridged audiobook, narrated by Eric Pollins (about 8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 24 days |
| 1 hour / day | 12 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 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 hours, it runs longer than 99% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
More narrated by Eric Pollins
Eric Pollins narrates 12 unabridged audiobooks in our catalog, 128 hours in all.
About as long, on the Non-fiction (Kids) shelf
143 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- North! Or Be Eaten
- Greenglass House
- Warriors Don't Cry: A Searing Memoir of the Battle to Integrate Little Rock's Central High
- The Hunters: Brotherband Chronicles, Book 3
- Slaves of Socorro
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 Mysterious Benedict Society and the Riddle of Ages is book 4 of Trenton Lee Stewart's Mysterious Benedict Society series: a 12-hour unabridged recording, read by Eric Pollins, released September 24, 2019, on the Non-fiction (Kids) and Mystery & Fantasy shelves.
The listen at a glance
- Length
- 12 hrs
- Narrated by
- Eric Pollins
- Released
- September 24, 2019
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids), Mystery & Fantasy
- Series
- The Mysterious Benedict Society #4
- ISBN
- 9781549124037
How to listen to The Mysterious Benedict Society and the Riddle of Ages 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 Mysterious Benedict Society and the Riddle of Ages as an audiobook?
The Mysterious Benedict Society and the Riddle of Ages runs 12 hours unabridged. At 1.5× speed that drops to roughly 8 hours.
Is The Mysterious Benedict Society and the Riddle of Ages free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Mysterious Benedict Society and the Riddle of Ages?
The Mysterious Benedict Society and the Riddle of Ages is narrated by Eric Pollins.
Is The Mysterious Benedict Society and the Riddle of Ages worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8 hours, saving 4 hours.