Judgment at Proteus: Audiobook
Book 5 of the Quadrail series
According to The Books Insider's catalog data, the Judgment at Proteus audiobook runs 19.4 hours unabridged, narrated by Kevin T. Collins (about 13 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 19.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 39 days |
| 1 hour / day | 20 days |
| 2 hours / day | 10 days |
| 1 hour / day at 1.5× | 13 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 19.4 hours, it runs longer than 95% of the 13,269 Science Fiction audiobooks in our catalog.
Catching up on Quadrail
This is book 5. Books 1 to 4 run 47.4 hours before it; books 1 to 5 run 66.8 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Night Train to Rigel | 12.3 hrs |
| 2 | The Third Lynx | 11.6 hrs |
| 3 | Odd Girl Out | 11.1 hrs |
| 4 | The Domino Pattern | 12.4 hrs |
| 5 | Judgment at Proteus | 19.4 hrs |
More narrated by Kevin T. Collins
Kevin T. Collins narrates 331 unabridged audiobooks in our catalog, 3,615 hours in all.
About as long, on the Science Fiction shelf
481 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
Judgment at Proteus is book 5 of Timothy Zahn's Quadrail series: a 19.4-hour unabridged recording, read by Kevin T. Collins, released May 13, 2025, on the Science Fiction and Space Opera shelves.
The listen at a glance
- Length
- 19.4 hrs
- Narrated by
- Kevin T. Collins
- Released
- May 13, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction, Space Opera
- Series
- Quadrail #5
- ISBN
- 9798331916985
How to listen to Judgment at Proteus 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 Judgment at Proteus audiobook?
Judgment at Proteus runs 19.4 hours unabridged. At 1.5× speed that drops to roughly 13 hours.
Is the Judgment at Proteus audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Judgment at Proteus?
Judgment at Proteus is narrated by Kevin T. Collins.
Is Judgment at Proteus worth listening to at 1.5× speed?
At 1.5× you'd finish in about 13 hours, saving 6.5 hours.