Across a Billion Years: Audiobook
According to The Books Insider's catalog data, the Across a Billion Years audiobook runs 7 hours unabridged, narrated by Alex Knox (about 4.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7 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 7 hours, it is shorter than 64% of the 13,269 Science Fiction audiobooks in our catalog.
More narrated by Alex Knox
Alex Knox narrates 191 unabridged audiobooks in our catalog, 1,791 hours in all.
About as long, on the Science Fiction shelf
1,342 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
Across a Billion Years is an audiobook by Robert Silverberg: a 7-hour unabridged recording, read by Alex Knox, released June 10, 2020, on the Science Fiction shelf.
The listen at a glance
- Length
- 7 hrs
- Narrated by
- Alex Knox
- Released
- June 10, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Science Fiction
- ISBN
- 9781705230404
How to listen to Across a Billion Years 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 Across a Billion Years audiobook?
Across a Billion Years runs 7 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is the Across a Billion Years audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Across a Billion Years?
Across a Billion Years is narrated by Alex Knox.