
A Deep Dark: Audiobook
Book 1 of the A Cassia Thorne Mystery series
According to The Books Insider's catalog data, A Deep Dark runs 6.9 hours as an unabridged audiobook, narrated by Sarah Ovens (about 4.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.9 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 6.9 hours, it runs longer than 68% of the 7,923 Mystery & Fantasy audiobooks in our catalog.
Catching up on A Cassia Thorne Mystery
This is book 1. Books 1 to 2 run 13.7 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | A Deep Dark | 6.9 hrs |
| 2 | Witch Light | 6.8 hrs |
More narrated by Sarah Ovens
Sarah Ovens narrates 103 unabridged audiobooks in our catalog, 731 hours in all.
About as long, on the Mystery & Fantasy shelf
1,140 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- A Wrinkle in Time
- Warriors #1: Into the Wild
- The City of Ember: The First Book of Ember
- Woof: A Bowser and Birdie Novel
- The Hive Queen (Wings of Fire #12)
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
A Deep Dark is book 1 of Zohra Nabi's A Cassia Thorne Mystery series: a 6.9-hour unabridged recording, read by Sarah Ovens, released March 27, 2025, on the Mystery & Fantasy shelf.
The listen at a glance
- Length
- 6.9 hrs
- Narrated by
- Sarah Ovens
- Released
- March 27, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy
- Series
- A Cassia Thorne Mystery #1
- ISBN
- 9781398532885
How to listen to A Deep Dark 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 A Deep Dark as an audiobook?
A Deep Dark runs 6.9 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is A Deep Dark free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates A Deep Dark?
A Deep Dark is narrated by Sarah Ovens.