Temporal Contingency: Audiobook
Book 4 of the Big Sigma series
According to The Books Insider's catalog data, the Temporal Contingency audiobook runs 18.3 hours unabridged, narrated by John Forbes (about 12.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 18.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 37 days |
| 1 hour / day | 19 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 18.3 hours, it runs longer than 98% of the 13,042 Suspense audiobooks in our catalog.
Catching up on Big Sigma
This is book 4. Books 1 to 3 run 47.4 hours before it; books 1 to 4 run 65.7 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Bypass Gemini | 10.7 hrs |
| 2 | Unstable Prototypes | 18.3 hrs |
| 3 | Artificial Evolution | 18.4 hrs |
| 4 | Temporal Contingency | 18.3 hrs |
More narrated by John Forbes
John Forbes narrates 6 unabridged audiobooks in our catalog, 80 hours in all.
About as long, on the Suspense shelf
241 Suspense audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Gone Girl
- The Good Daughter
- Apples Never Fall
- Killing Floor
- False Witness
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
Temporal Contingency is book 4 of Joseph R. Lallo's Big Sigma series: a 18.3-hour unabridged recording, read by John Forbes, released March 22, 2017, on the Suspense shelf.
The listen at a glance
- Length
- 18.3 hrs
- Narrated by
- John Forbes
- Released
- March 22, 2017
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Suspense
- Series
- Big Sigma #4
- ISBN
- 9781614539308
How to listen to Temporal Contingency 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 Temporal Contingency audiobook?
Temporal Contingency runs 18.3 hours unabridged. At 1.5× speed that drops to roughly 12.2 hours.
Is the Temporal Contingency audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Temporal Contingency?
Temporal Contingency is narrated by John Forbes.
Is Temporal Contingency worth listening to at 1.5× speed?
At 1.5× you'd finish in about 12.2 hours, saving 6.1 hours.