The Book of Spirits: Audiobook
Book 5 of the Jayne Thorne, CIA Librarian series
According to The Books Insider's catalog data, The Book of Spirits runs 10.4 hours as an unabridged audiobook, narrated by Erin Moon (about 6.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 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 10.4 hours, it runs longer than 63% of the 12,109 Fantasy audiobooks in our catalog.
Catching up on Jayne Thorne, CIA Librarian
This is book 5. Books 1 to 4 run 47.8 hours before it; books 1 to 6 run 69.9 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Tomb of the Queen | 14.4 hrs |
| 2 | Master of Shadows | 11.1 hrs |
| 3 | The Keeper of Flames | 10.9 hrs |
| 4 | The Prophecy of Wind | 11.5 hrs |
| 5 | The Book of Spirits | 10.4 hrs |
| 6 | The Scrolls of Time | 11.6 hrs |
More narrated by Erin Moon
Erin Moon narrates 136 unabridged audiobooks in our catalog, 1,224 hours in all.
About as long, on the Fantasy shelf
1,968 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
The Book of Spirits is book 5 of Joss Walker's Jayne Thorne, CIA Librarian series: a 10.4-hour unabridged recording, read by Erin Moon, released January 28, 2025, on the Fantasy and Paranormal shelves.
The listen at a glance
- Length
- 10.4 hrs
- Narrated by
- Erin Moon
- Released
- January 28, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Fantasy, Paranormal
- Series
- Jayne Thorne, CIA Librarian #5
- ISBN
- 9781666153125
How to listen to The Book of Spirits 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 Book of Spirits as an audiobook?
The Book of Spirits runs 10.4 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.
Is The Book of Spirits free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Book of Spirits?
The Book of Spirits is narrated by Erin Moon.
Is The Book of Spirits worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.9 hours, saving 3.5 hours.