The Books Insiderindependent audiobook data
Deep Dark Secret by Sierra Dean

Deep Dark Secret: Audiobook

Book 3 of the Secret McQueen series

According to The Books Insider's catalog data, the Deep Dark Secret audiobook runs 8.4 hours unabridged, narrated by Sierra Grace (about 5.6 hours at 1.5× playback speed).

8.4listening hrs
Fantasystore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 8.4 hours of listening.

Days to finish Deep Dark Secret at common listening paces
Your paceYou'll finish in
30 min / day17 days
1 hour / day9 days
2 hours / day5 days
1 hour / day at 1.5×6 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 8.4 hours, it is shorter than 53% of the 12,109 Fantasy audiobooks in our catalog.

About as long, on the Fantasy shelf

1,776 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

Deep Dark Secret is book 3 of Sierra Dean's Secret McQueen series: a 8.4-hour unabridged recording, read by Sierra Grace, released October 26, 2021, on the Fantasy shelf.

The listen at a glance

Length
8.4 hrs
Narrated by
Sierra Grace
Released
October 26, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Fantasy
Series
Secret McQueen #3
ISBN
9781094428260

How to listen to Deep Dark Secret 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 the Deep Dark Secret audiobook?

Deep Dark Secret runs 8.4 hours unabridged. At 1.5× speed that drops to roughly 5.6 hours.

Is the Deep Dark Secret audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Deep Dark Secret?

Deep Dark Secret is narrated by Sierra Grace.