Principles of Spookology: Audiobook
Book 2 of the Spectral Files series
According to The Books Insider's catalog data, the Principles of Spookology audiobook runs 10.1 hours unabridged, narrated by Kirt Graves (about 6.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.1 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 10.1 hours, it runs longer than 77% of the 4,552 LGBTQ+ (Romance) audiobooks in our catalog.
Catching up on Spectral Files
This is book 2. Book 1 runs 8.6 hours before it; books 1 to 4 run 38.2 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | P.S. I Spook You | 8.6 hrs |
| 2 | Principles of Spookology | 10.1 hrs |
| 3 | Spooky Business | 10.3 hrs |
| 4 | The Spooky Life | 9.2 hrs |
More narrated by Kirt Graves
Kirt Graves narrates 232 unabridged audiobooks in our catalog, 2,051 hours in all.
About as long, on the LGBTQ+ (Romance) shelf
866 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
Principles of Spookology is book 2 of S.E. Harmon's Spectral Files series: a 10.1-hour unabridged recording, read by Kirt Graves, released June 23, 2020, on the LGBTQ+ (Romance) and Fiction shelves.
The listen at a glance
- Length
- 10.1 hrs
- Narrated by
- Kirt Graves
- Released
- June 23, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- LGBTQ+ (Romance), Fiction
- Series
- Spectral Files #2
- ISBN
- 9781705219843
How to listen to Principles of Spookology 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 Principles of Spookology audiobook?
Principles of Spookology runs 10.1 hours unabridged. At 1.5× speed that drops to roughly 6.7 hours.
Is the Principles of Spookology audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Principles of Spookology?
Principles of Spookology is narrated by Kirt Graves.
Is Principles of Spookology worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.7 hours, saving 3.4 hours.