The Books Insiderindependent audiobook data
The Tenth Cycle by J. C. Ryan

The Tenth Cycle: Audiobook

Book 1 of the Rossler Foundation series

According to The Books Insider's catalog data, The Tenth Cycle runs 14.6 hours as an unabridged audiobook, narrated by Jeff Stewart (about 9.7 hours at 1.5× playback speed).

14.6listening hrs
Action & Adventure (Fiction)store shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 14.6 hours of listening.

Days to finish The Tenth Cycle at common listening paces
Your paceYou'll finish in
30 min / day30 days
1 hour / day15 days
2 hours / day8 days
1 hour / day at 1.5×10 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 14.6 hours, it runs longer than 88% of the 6,730 Action & Adventure (Fiction) audiobooks in our catalog.

Catching up on Rossler Foundation

This is book 1. Books 1 to 2 run 24.1 hours in all.

BookTitleLength
1The Tenth Cycle14.6 hrs
2Ninth Cycle Antarctica9.5 hrs

About as long, on the Action & Adventure (Fiction) shelf

571 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

The Tenth Cycle is book 1 of J. C. Ryan's Rossler Foundation series: a 14.6-hour unabridged recording, read by Jeff Stewart, released May 1, 2025, on the Action & Adventure (Fiction) and Apocalyptic & Dystopian shelves.

The listen at a glance

Length
14.6 hrs
Narrated by
Jeff Stewart
Released
May 1, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Action & Adventure (Fiction), Apocalyptic & Dystopian
Series
Rossler Foundation #1
ISBN
9781004194070

How to listen to The Tenth Cycle 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 free

Questions listeners ask

How long is The Tenth Cycle as an audiobook?

The Tenth Cycle runs 14.6 hours unabridged. At 1.5× speed that drops to roughly 9.7 hours.

Is The Tenth Cycle free as an audiobook?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates The Tenth Cycle?

The Tenth Cycle is narrated by Jeff Stewart.

Is The Tenth Cycle worth listening to at 1.5× speed?

At 1.5× you'd finish in about 9.7 hours, saving 4.9 hours.