The Books Insiderindependent audiobook data
A Deep Dark by Zohra Nabi

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).

6.9listening hrs
Mystery & Fantasystore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 6.9 hours of listening.

Days to finish A Deep Dark at common listening paces
Your paceYou'll finish in
30 min / day14 days
1 hour / day7 days
2 hours / day4 days
1 hour / day at 1.5×5 days

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.

BookTitleLength
1A Deep Dark6.9 hrs
2Witch Light6.8 hrs

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:

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 free

Questions 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.