The Only One Who Knows: Audiobook
Book 1 of the Only One series
According to The Books Insider's catalog data, The Only One Who Knows runs 6.9 hours as an unabridged audiobook, narrated by James Levine (about 4.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 14 days |
| 1 hour / day | 7 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 6.9 hours, it is shorter than 63% of the 4,552 LGBTQ+ (Romance) audiobooks in our catalog.
Catching up on The Only One
This is book 1. Books 1 to 2 run 12.1 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Only One Who Knows | 6.9 hrs |
| 2 | The Only One Who Matters | 5.3 hrs |
About as long, on the LGBTQ+ (Romance) shelf
869 LGBTQ+ (Romance) 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 Only One Who Knows is book 1 of Cat Grant's Only One series: a 6.9-hour unabridged recording, read by James Levine, released August 17, 2021, on the LGBTQ+ (Romance) shelf.
The listen at a glance
- Length
- 6.9 hrs
- Narrated by
- James Levine
- Released
- August 17, 2021
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- LGBTQ+ (Romance)
- Series
- The Only One #1
- ISBN
- 9781094425252
How to listen to The Only One Who Knows 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 Only One Who Knows as an audiobook?
The Only One Who Knows runs 6.9 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is The Only One Who Knows free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Only One Who Knows?
The Only One Who Knows is narrated by James Levine.