Zero Spark: Audiobook
Book 3 of the Discordia University series
According to The Books Insider's catalog data, the Zero Spark audiobook runs 12.5 hours unabridged, narrated by Christian Black and Ada Sinclair (about 8.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 25 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.5 hours, it runs longer than 75% of the 7,781 Romantasy (Romance) audiobooks in our catalog.
Catching up on Discordia University
This is book 3. Books 1 to 2 run 28.3 hours before it; books 1 to 3 run 40.8 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Veiled Flame | 12.5 hrs |
| 2 | Quiet Burn | 15.8 hrs |
| 3 | Zero Spark | 12.5 hrs |
More narrated by Christian Black
Christian Black narrates 77 unabridged audiobooks in our catalog, 718 hours in all.
About as long, on the Romantasy (Romance) shelf
1,218 Romantasy (Romance) 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
Zero Spark is book 3 of Cassandra Featherstone's Discordia University series: a 12.5-hour unabridged recording, read by Christian Black and Ada Sinclair, released August 17, 2026, on the Romantasy (Romance) and Romantasy (Science Fiction & Fantasy) shelves.
The listen at a glance
- Length
- 12.5 hrs
- Narrated by
- Christian Black, Ada Sinclair
- Released
- August 17, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Romantasy (Romance), Romantasy (Science Fiction & Fantasy)
- Series
- Discordia University #3
- ISBN
- 9798331956066
How to listen to Zero Spark 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 Zero Spark audiobook?
Zero Spark runs 12.5 hours unabridged. At 1.5× speed that drops to roughly 8.3 hours.
Is the Zero Spark audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Zero Spark?
Zero Spark is narrated by Christian Black and Ada Sinclair.
Is Zero Spark worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.3 hours, saving 4.2 hours.