A Letter to the Luminous Deep: Audiobook
According to The Books Insider's catalog data, A Letter to the Luminous Deep runs 12.5 hours as an unabridged audiobook, narrated by Kit Griffiths and Joshua Riley and others (about 8.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 25 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 12.5 hours, it runs longer than 61% of the 2,729 Historical (Science Fiction & Fantasy) audiobooks in our catalog.
More narrated by Kit Griffiths
Kit Griffiths narrates 33 unabridged audiobooks in our catalog, 370 hours in all.
About as long, on the Historical (Science Fiction & Fantasy) shelf
562 Historical (Science Fiction & Fantasy) 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
A Letter to the Luminous Deep is an audiobook by Sylvie Cathrall: a 12.5-hour unabridged recording, read by Kit Griffiths, Joshua Riley and Justin Avoth and others, released April 23, 2024, on the Historical (Science Fiction & Fantasy) shelf.
The listen at a glance
- Length
- 12.5 hrs
- Narrated by
- Kit Griffiths, Joshua Riley, Justin Avoth, Claire Morgan
- Released
- April 23, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Historical (Science Fiction & Fantasy)
- ISBN
- 9781668638064
How to listen to A Letter to the Luminous Deep 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 A Letter to the Luminous Deep as an audiobook?
A Letter to the Luminous Deep runs 12.5 hours unabridged. At 1.5× speed that drops to roughly 8.3 hours.
Is A Letter to the Luminous Deep free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates A Letter to the Luminous Deep?
A Letter to the Luminous Deep is narrated by Kit Griffiths, Joshua Riley, Justin Avoth and Claire Morgan.
Is A Letter to the Luminous Deep worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.3 hours, saving 4.2 hours.