BRAIN GAIN: Audiobook
According to The Books Insider's catalog data, the BRAIN GAIN audiobook runs 6.6 hours unabridged, narrated by Will Ripley (about 4.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 14 days |
| 1 hour / day | 7 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 6.6 hours, it is shorter than 66% of the 13,269 Science Fiction audiobooks in our catalog.
About as long, on the Science Fiction shelf
1,189 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
BRAIN GAIN is an audiobook by Gerald M. Kilby: a 6.6-hour unabridged recording, read by Will Ripley, released October 19, 2025, on the Science Fiction shelf.
The listen at a glance
- Length
- 6.6 hrs
- Narrated by
- Will Ripley
- Released
- October 19, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- ISBN
- 9798347812721
How to listen to BRAIN GAIN 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 BRAIN GAIN audiobook?
BRAIN GAIN runs 6.6 hours unabridged. At 1.5× speed that drops to roughly 4.4 hours.
Is the BRAIN GAIN audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates BRAIN GAIN?
BRAIN GAIN is narrated by Will Ripley.