The Unfathomable Curse: Audiobook
Book 3 of the Undetectables series
According to The Books Insider's catalog data, The Unfathomable Curse runs 13 hours as an unabridged audiobook, narrated by Matthew Lloyd Davies (about 8.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 13 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 26 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 13 hours, it runs longer than 89% of the 2,490 LGBTQ+ (Fiction) audiobooks in our catalog.
Catching up on Undetectables
This is book 3. Books 1 to 2 run 26.2 hours before it; books 1 to 3 run 39.2 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Undetectables | 12.6 hrs |
| 2 | The Undead Complex | 13.7 hrs |
| 3 | The Unfathomable Curse | 13 hrs |
More narrated by Matthew Lloyd Davies
Matthew Lloyd Davies narrates 254 unabridged audiobooks in our catalog, 2,433 hours in all.
About as long, on the LGBTQ+ (Fiction) shelf
226 LGBTQ+ (Fiction) 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
The Unfathomable Curse is book 3 of Courtney Smyth's Undetectables series: a 13-hour unabridged recording, read by Matthew Lloyd Davies, released February 23, 2026, on the LGBTQ+ (Fiction) shelf.
The listen at a glance
- Length
- 13 hrs
- Narrated by
- Matthew Lloyd Davies
- Released
- February 23, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- LGBTQ+ (Fiction)
- Series
- Undetectables #3
- ISBN
- 9798331939083
How to listen to The Unfathomable Curse 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 Unfathomable Curse as an audiobook?
The Unfathomable Curse runs 13 hours unabridged. At 1.5× speed that drops to roughly 8.7 hours.
Is The Unfathomable Curse free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Unfathomable Curse?
The Unfathomable Curse is narrated by Matthew Lloyd Davies.
Is The Unfathomable Curse worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.7 hours, saving 4.3 hours.