Until the End: The Lost Letters, Book 3: Audiobook
Book 3 of the Lost Letters series
According to The Books Insider's catalog data, the Until the End: The Lost Letters, Book 3 audiobook runs 6.9 hours unabridged, narrated by Theo Sinclair and Chloe Ryan (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 69% of the 7,690 Mystery audiobooks in our catalog.
Catching up on The Lost Letters
This is book 3. Books 1 to 2 run 14.6 hours before it; books 1 to 3 run 21.5 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Through the Flames: The Lost Letters, Book 1 | 7.2 hrs |
| 2 | Into the Shadows: The Lost Letters, Book 2 | 7.4 hrs |
| 3 | Until the End: The Lost Letters, Book 3 | 6.9 hrs |
More narrated by Theo Sinclair
Theo Sinclair narrates 58 unabridged audiobooks in our catalog, 539 hours in all.
About as long, on the Mystery shelf
1,094 Mystery 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
Until the End: The Lost Letters, Book 3 is book 3 of Shelby Gunter's Lost Letters series: a 6.9-hour unabridged recording, read by Theo Sinclair and Chloe Ryan, released November 18, 2025, on the Mystery shelf.
The listen at a glance
- Length
- 6.9 hrs
- Narrated by
- Theo Sinclair, Chloe Ryan
- Released
- November 18, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery
- Series
- The Lost Letters #3
- ISBN
- 9798347014743
How to listen to Until the End: The Lost Letters, Book 3 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 Until the End: The Lost Letters, Book 3 audiobook?
Until the End: The Lost Letters, Book 3 runs 6.9 hours unabridged. At 1.5× speed that drops to roughly 4.6 hours.
Is the Until the End: The Lost Letters, Book 3 audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Until the End: The Lost Letters, Book 3?
Until the End: The Lost Letters, Book 3 is narrated by Theo Sinclair and Chloe Ryan.