The Books Insiderindependent audiobook data
Secrets of the Lost Summer by Carla Neggers

Secrets of the Lost Summer: Audiobook

Book 1 of the Swift River Valley series

According to The Books Insider's catalog data, the Secrets of the Lost Summer audiobook runs 10.3 hours unabridged, narrated by Susan Boyce (about 6.8 hours at 1.5× playback speed).

10.3listening hrs
Mysterystore shelf
2012released
Free for new listeners

The instrument When will you finish it?

Based on 10.3 hours of listening.

Days to finish Secrets of the Lost Summer at common listening paces
Your paceYou'll finish in
30 min / day21 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×7 days

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

What our data says

  • At 10.3 hours, it runs longer than 71% of the 7,690 Mystery audiobooks in our catalog.

Catching up on The Swift River Valley Series

This is book 1. Books 1 to 6 run 54.9 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

Secrets of the Lost Summer is book 1 of Carla Neggers's Swift River Valley series: a 10.3-hour unabridged recording, read by Susan Boyce, released January 31, 2012, on the Mystery shelf.

The listen at a glance

Length
10.3 hrs
Narrated by
Susan Boyce
Released
January 31, 2012
Format
Unabridged audiobook
Language
English
Store shelves
Mystery
Series
The Swift River Valley Series #1
ISBN
9781609989934

How to listen to Secrets of the Lost Summer 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 Secrets of the Lost Summer audiobook?

Secrets of the Lost Summer runs 10.3 hours unabridged. At 1.5× speed that drops to roughly 6.8 hours.

Is the Secrets of the Lost Summer audiobook free?

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

Who narrates Secrets of the Lost Summer?

Secrets of the Lost Summer is narrated by Susan Boyce.

Is Secrets of the Lost Summer worth listening to at 1.5× speed?

At 1.5× you'd finish in about 6.8 hours, saving 3.4 hours.