That Last Secret: Audiobook
Book 4 of the Firsts in the City series
According to The Books Insider's catalog data, the That Last Secret audiobook runs 11.6 hours unabridged, narrated by Alex Kydd and Laurie West (about 7.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 11.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 24 days |
| 1 hour / day | 12 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 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 11.6 hours, it runs longer than 87% of the 16,241 Modern audiobooks in our catalog.
Catching up on Firsts in the City
This is book 4. Books 1 to 3 run 35.3 hours before it; books 1 to 4 run 46.9 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | That First Night | 11.5 hrs |
| 2 | That First Date | 11.1 hrs |
| 3 | That First Flight | 12.6 hrs |
| 4 | That Last Secret | 11.6 hrs |
More narrated by Alex Kydd
Alex Kydd narrates 236 unabridged audiobooks in our catalog, 2,306 hours in all.
About as long, on the Modern shelf
2,117 Modern 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
That Last Secret is book 4 of Jenn McMahon's Firsts in the City series: a 11.6-hour unabridged recording, read by Alex Kydd and Laurie West, released May 27, 2025, on the Rom-Com and Modern shelves.
The listen at a glance
- Length
- 11.6 hrs
- Narrated by
- Alex Kydd, Laurie West
- Released
- May 27, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Rom-Com, Modern, Billionaire
- Series
- Firsts in the City #4
- ISBN
- 9798855516524
How to listen to That Last Secret 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 That Last Secret audiobook?
That Last Secret runs 11.6 hours unabridged. At 1.5× speed that drops to roughly 7.7 hours.
Is the That Last Secret audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates That Last Secret?
That Last Secret is narrated by Alex Kydd and Laurie West.
Is That Last Secret worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.7 hours, saving 3.9 hours.