The Books Insiderindependent audiobook data
Echoes by Laura K. Curtis

Echoes: Audiobook

Book 3 of the Harp Security series

According to The Books Insider's catalog data, the Echoes audiobook runs 10.6 hours unabridged, narrated by Felicity Hart (about 7.1 hours at 1.5× playback speed).

10.6listening hrs
Mysterystore shelf
2021released
Free for new listeners

The instrument When will you finish it?

Based on 10.6 hours of listening.

Days to finish Echoes at common listening paces
Your paceYou'll finish in
30 min / day22 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×8 days

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

What our data says

  • At 10.6 hours, it runs longer than 75% of the 7,690 Mystery audiobooks in our catalog.

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

Echoes is book 3 of Laura K. Curtis's Harp Security series: a 10.6-hour unabridged recording, read by Felicity Hart, released August 24, 2021, on the Mystery shelf.

The listen at a glance

Length
10.6 hrs
Narrated by
Felicity Hart
Released
August 24, 2021
Format
Unabridged audiobook
Language
English
Store shelves
Mystery
Series
Harp Security #3
ISBN
9781094426921

How to listen to Echoes 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 Echoes audiobook?

Echoes runs 10.6 hours unabridged. At 1.5× speed that drops to roughly 7.1 hours.

Is the Echoes audiobook free?

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

Who narrates Echoes?

Echoes is narrated by Felicity Hart.

Is Echoes worth listening to at 1.5× speed?

At 1.5× you'd finish in about 7.1 hours, saving 3.5 hours.