The Books Insiderindependent audiobook data
The Highlander’s Secret Vow by Eliza Knight

The Highlander’s Secret Vow: Audiobook

Book 4 of the Sutherland Legacy series

According to The Books Insider's catalog data, The Highlander’s Secret Vow runs 8 hours as an unabridged audiobook, narrated by Antony Ferguson (about 5.3 hours at 1.5× playback speed).

8listening hrs
Historical (Romance)store shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 8 hours of listening.

Days to finish The Highlander’s Secret Vow at common listening paces
Your paceYou'll finish in
30 min / day16 days
1 hour / day8 days
2 hours / day4 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 hours, it is shorter than 65% of the 9,636 Historical (Romance) audiobooks in our catalog.

Catching up on The Sutherland Legacy Series

This is book 4. Books 1 to 3 run 24.3 hours before it; books 1 to 5 run 42.2 hours in all.

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 Highlander’s Secret Vow is book 4 of Eliza Knight's Sutherland Legacy series: a 8-hour unabridged recording, read by Antony Ferguson, released March 26, 2019, on the Historical (Romance) shelf.

The listen at a glance

Length
8 hrs
Narrated by
Antony Ferguson
Released
March 26, 2019
Format
Unabridged audiobook
Language
English
Store shelves
Historical (Romance)
Series
The Sutherland Legacy Series #4
ISBN
9781982549961

How to listen to The Highlander’s Secret Vow free

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Questions listeners ask

How long is The Highlander’s Secret Vow as an audiobook?

The Highlander’s Secret Vow runs 8 hours unabridged. At 1.5× speed that drops to roughly 5.3 hours.

Is The Highlander’s Secret Vow free as an audiobook?

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

Who narrates The Highlander’s Secret Vow?

The Highlander’s Secret Vow is narrated by Antony Ferguson.