Shadow's Mystery: Audiobook
Book 9 of the Shadow Island FBI Mystery series
According to The Books Insider's catalog data, the Shadow's Mystery audiobook runs 7.1 hours unabridged, narrated by Brittany Goodwin (about 4.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 7.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 15 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 7.1 hours, it is shorter than 71% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on Shadow Island FBI Mystery Series
This is book 9. Books 1 to 8 run 55.8 hours before it; books 1 to 20 run 139.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Shadow's Secret | 7.6 hrs |
| 2 | Shadow's Captive | 6.6 hrs |
| 3 | Shadow's Deadline | 7.4 hrs |
| 4 | Shadow's Force | 6.6 hrs |
| 5 | Shadow's Watch | 6.8 hrs |
| 6 | Shadow's Hostage | 7.1 hrs |
| 7 | Shadow's Ritual | 6.9 hrs |
| 8 | Shadow's Conspiracy | 6.6 hrs |
| 9 | Shadow's Mystery | 7.1 hrs |
| 10 | Shadow's Darkness | 6.9 hrs |
| 11 | Shadow's Flame | 6.4 hrs |
| 12 | Shadow's Hoax | 6.3 hrs |
More narrated by Brittany Goodwin
Brittany Goodwin narrates 139 unabridged audiobooks in our catalog, 1,019 hours in all.
About as long, on the Police & Detective shelf
3,855 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Killing Game (An Alexa Chase Suspense Thriller—Book 1)
- 3rd Degree
- Later
- The Beach House
- Twisted Twenty-Six
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
Shadow's Mystery is book 9 of Mary Stone's Shadow Island FBI Mystery series: a 7.1-hour unabridged recording, read by Brittany Goodwin, released November 25, 2024, on the Police & Detective shelf.
The listen at a glance
- Length
- 7.1 hrs
- Narrated by
- Brittany Goodwin
- Released
- November 25, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- Shadow Island FBI Mystery Series #9
- ISBN
- 9798347725199
How to listen to Shadow's Mystery 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 freeQuestions listeners ask
How long is the Shadow's Mystery audiobook?
Shadow's Mystery runs 7.1 hours unabridged. At 1.5× speed that drops to roughly 4.7 hours.
Is the Shadow's Mystery audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Shadow's Mystery?
Shadow's Mystery is narrated by Brittany Goodwin.