I Promise: Audiobook
According to The Books Insider's catalog data, the I Promise audiobook runs 8.7 hours unabridged, narrated by Cynthia Darlow (about 5.8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 18 days |
| 1 hour / day | 9 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 6 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 8.7 hours, it runs longer than 59% of the 16,241 Modern audiobooks in our catalog.
More narrated by Cynthia Darlow
Cynthia Darlow narrates 73 unabridged audiobooks in our catalog, 695 hours in all.
About as long, on the Modern shelf
3,392 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
I Promise is an audiobook by Joan Johnston: a 8.7-hour unabridged recording, read by Cynthia Darlow, released December 31, 2013, on the Modern shelf.
The listen at a glance
- Length
- 8.7 hrs
- Narrated by
- Cynthia Darlow
- Released
- December 31, 2013
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Modern
- ISBN
- 9781490613567
How to listen to I Promise 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 I Promise audiobook?
I Promise runs 8.7 hours unabridged. At 1.5× speed that drops to roughly 5.8 hours.
Is the I Promise audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates I Promise?
I Promise is narrated by Cynthia Darlow.