The Books Insiderindependent audiobook data
Sleepwalking with Ruby: The Mystery of the Three Gems by Dee Armstrong

Sleepwalking with Ruby: The Mystery of the Three Gems: Audiobook

Book 2 of the A Twin Springs series

According to The Books Insider's catalog data, the Sleepwalking with Ruby: The Mystery of the Three Gems audiobook runs 10.4 hours unabridged, narrated by Marcio Catalano and Marnye Young (about 6.9 hours at 1.5× playback speed).

10.4listening hrs
Mysterystore shelf
2020released
Free for new listeners

The instrument When will you finish it?

Based on 10.4 hours of listening.

Days to finish Sleepwalking with Ruby: The Mystery of the Three Gems 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 10.4 hours, it runs longer than 72% of the 7,690 Mystery audiobooks in our catalog.

Catching up on A Twin Springs Trilogy

This is book 2. Book 1 runs 11 hours before it; books 1 to 3 run 32.6 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

Sleepwalking with Ruby: The Mystery of the Three Gems is book 2 of Dee Armstrong's A Twin Springs series: a 10.4-hour unabridged recording, read by Marcio Catalano and Marnye Young, released October 1, 2020, on the Mystery shelf.

The listen at a glance

Length
10.4 hrs
Narrated by
Marcio Catalano, Marnye Young
Released
October 1, 2020
Format
Unabridged audiobook
Language
English
Store shelves
Mystery
Series
A Twin Springs Trilogy #2
ISBN
9781949551105

How to listen to Sleepwalking with Ruby: The Mystery of the Three Gems free

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Questions listeners ask

How long is the Sleepwalking with Ruby: The Mystery of the Three Gems audiobook?

Sleepwalking with Ruby: The Mystery of the Three Gems runs 10.4 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.

Is the Sleepwalking with Ruby: The Mystery of the Three Gems audiobook free?

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

Who narrates Sleepwalking with Ruby: The Mystery of the Three Gems?

Sleepwalking with Ruby: The Mystery of the Three Gems is narrated by Marcio Catalano and Marnye Young.

Is Sleepwalking with Ruby: The Mystery of the Three Gems worth listening to at 1.5× speed?

At 1.5× you'd finish in about 6.9 hours, saving 3.5 hours.