Ninth Cycle Antarctica: Audiobook
Book 2 of the Rossler Foundation series
According to The Books Insider's catalog data, the Ninth Cycle Antarctica audiobook runs 9.5 hours unabridged, narrated by Jeff Stewart (about 6.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 19 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 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 9.5 hours, it runs longer than 57% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.
Catching up on Rossler Foundation
This is book 2. Book 1 runs 14.6 hours before it; books 1 to 2 run 24.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Tenth Cycle | 14.6 hrs |
| 2 | Ninth Cycle Antarctica | 9.5 hrs |
More narrated by Jeff Stewart
Jeff Stewart narrates 13 unabridged audiobooks in our catalog, 145 hours in all.
About as long, on the Action & Adventure (Fiction) shelf
1,188 Action & Adventure (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
Ninth Cycle Antarctica is book 2 of J. C. Ryan's Rossler Foundation series: a 9.5-hour unabridged recording, read by Jeff Stewart, released June 12, 2025, on the Espionage and Action & Adventure (Fiction) shelves.
The listen at a glance
- Length
- 9.5 hrs
- Narrated by
- Jeff Stewart
- Released
- June 12, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Espionage, Action & Adventure (Fiction)
- Series
- Rossler Foundation #2
- ISBN
- 9781004200108
How to listen to Ninth Cycle Antarctica 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 Ninth Cycle Antarctica audiobook?
Ninth Cycle Antarctica runs 9.5 hours unabridged. At 1.5× speed that drops to roughly 6.3 hours.
Is the Ninth Cycle Antarctica audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Ninth Cycle Antarctica?
Ninth Cycle Antarctica is narrated by Jeff Stewart.