51: Audiobook
According to The Books Insider's catalog data, the 51 audiobook runs 8.8 hours unabridged, narrated by Sean Runnette (about 5.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 18 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 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 8.8 hours, it runs longer than 51% of the 13,269 Science Fiction audiobooks in our catalog.
More narrated by Sean Runnette
Sean Runnette narrates 327 unabridged audiobooks in our catalog, 3,528 hours in all.
About as long, on the Science Fiction shelf
1,978 Science Fiction 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
51 is an audiobook by Patrick O'Leary: a 8.8-hour unabridged recording, read by Sean Runnette, released February 15, 2022, on the Science Fiction shelf.
The listen at a glance
- Length
- 8.8 hrs
- Narrated by
- Sean Runnette
- Released
- February 15, 2022
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- ISBN
- 9781039409736
How to listen to 51 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 51 audiobook?
51 runs 8.8 hours unabridged. At 1.5× speed that drops to roughly 5.9 hours.
Is the 51 audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates 51?
51 is narrated by Sean Runnette.