For Reasons Unknown: Audiobook
Book 1 of the DCI Matilda Darke Thriller series
According to The Books Insider's catalog data, the For Reasons Unknown audiobook runs 10 hours unabridged, narrated by Stephanie Beattie (about 6.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 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 10 hours, it runs longer than 72% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on DCI Matilda Darke Thriller
This is book 1. Books 1 to 13 run 153.6 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | For Reasons Unknown | 10 hrs |
| 2 | Outside Looking In | 11 hrs |
| 3 | A Room Full of Killers | 12.4 hrs |
| 4 | The Hangman’s Hold | 12 hrs |
| 5 | The Murder House | 12.4 hrs |
| 6 | Stolen Children | 11.7 hrs |
| 7 | Time Is Running Out | 11.8 hrs |
| 8 | Survivor’s Guilt | 11.8 hrs |
| 9 | The Lost Children | 12 hrs |
| 10 | Silent Victim | 11.9 hrs |
| 11 | Below Ground | 12.1 hrs |
| 12 | Last One Left Alive | 12 hrs |
More narrated by Stephanie Beattie
Stephanie Beattie narrates 25 unabridged audiobooks in our catalog, 270 hours in all.
About as long, on the Police & Detective shelf
5,515 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
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
For Reasons Unknown is book 1 of Michael Wood's DCI Matilda Darke Thriller series: a 10-hour unabridged recording, read by Stephanie Beattie, released June 27, 2019, on the Police & Detective shelf.
The listen at a glance
- Length
- 10 hrs
- Narrated by
- Stephanie Beattie
- Released
- June 27, 2019
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- DCI Matilda Darke Thriller #1
- ISBN
- 9780008367312
How to listen to For Reasons Unknown 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 For Reasons Unknown audiobook?
For Reasons Unknown runs 10 hours unabridged. At 1.5× speed that drops to roughly 6.7 hours.
Is the For Reasons Unknown audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates For Reasons Unknown?
For Reasons Unknown is narrated by Stephanie Beattie.
Is For Reasons Unknown worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.7 hours, saving 3.3 hours.