The Books Insiderindependent audiobook data
The Secret Duke by Jo Beverley

The Secret Duke: Audiobook

Book 10 of the Mallorens & Friends series

According to The Books Insider's catalog data, The Secret Duke runs 12.2 hours as an unabridged audiobook, narrated by Susan Duerden (about 8.1 hours at 1.5× playback speed).

12.2listening hrs
Historical (Romance)store shelf
2022released
Free for new listeners

The instrument When will you finish it?

Based on 12.2 hours of listening.

Days to finish The Secret Duke at common listening paces
Your paceYou'll finish in
30 min / day25 days
1 hour / day13 days
2 hours / day7 days
1 hour / day at 1.5×9 days

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

What our data says

  • At 12.2 hours, it runs longer than 85% of the 9,636 Historical (Romance) audiobooks in our catalog.

About as long, on the Historical (Romance) shelf

1,705 Historical (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

The Secret Duke is book 10 of Jo Beverley's Mallorens & Friends series: a 12.2-hour unabridged recording, read by Susan Duerden, released June 28, 2022, on the Historical (Romance) shelf.

The listen at a glance

Length
12.2 hrs
Narrated by
Susan Duerden
Released
June 28, 2022
Format
Unabridged audiobook
Language
English
Store shelves
Historical (Romance)
Series
Mallorens & Friends #10
ISBN
9781666130584

How to listen to The Secret Duke 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.

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Questions listeners ask

How long is The Secret Duke as an audiobook?

The Secret Duke runs 12.2 hours unabridged. At 1.5× speed that drops to roughly 8.1 hours.

Is The Secret Duke free as an audiobook?

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

Who narrates The Secret Duke?

The Secret Duke is narrated by Susan Duerden.

Is The Secret Duke worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.1 hours, saving 4.1 hours.