Mutation: Audiobook
Book 3 of the Unit 51 series
According to The Books Insider's catalog data, the Mutation audiobook runs 10.2 hours unabridged, narrated by Neil Hellegers (about 6.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.2 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 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 10.2 hours, it runs longer than 62% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Unit 51
This is book 3. Books 1 to 2 run 21.1 hours before it; books 1 to 3 run 31.2 hours in all.
More narrated by Neil Hellegers
Neil Hellegers narrates 300 unabridged audiobooks in our catalog, 3,027 hours in all.
About as long, on the Science Fiction shelf
2,154 Science Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Dark Matter
- Star Wars: The Old Republic - Legends: Revan
- Star Wars Legends: Darth Bane Trilogy: Rule of Two
- Star Wars Legends: Darth Bane Trilogy: Dynasty of Evil
- Star Wars: The Old Republic - Legends: Deceived
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
Mutation is book 3 of Michael Mcbride's Unit 51 series: a 10.2-hour unabridged recording, read by Neil Hellegers, released September 29, 2020, on the Science Fiction shelf.
The listen at a glance
- Length
- 10.2 hrs
- Narrated by
- Neil Hellegers
- Released
- September 29, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- Series
- Unit 51 #3
- ISBN
- 9781705229569
How to listen to Mutation 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 Mutation audiobook?
Mutation runs 10.2 hours unabridged. At 1.5× speed that drops to roughly 6.8 hours.
Is the Mutation audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Mutation?
Mutation is narrated by Neil Hellegers.
Is Mutation worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.8 hours, saving 3.4 hours.