Sister Agatha: The World's Oldest Serial Killer: Audiobook
According to The Books Insider's catalog data, the Sister Agatha: The World's Oldest Serial Killer audiobook runs 6.6 hours unabridged, narrated by Caroline Lennon (about 4.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.6 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 6.6 hours, it runs longer than 56% of the 4,209 Comedy, Satire & Parody audiobooks in our catalog.
More narrated by Caroline Lennon
Caroline Lennon narrates 166 unabridged audiobooks in our catalog, 1,842 hours in all.
About as long, on the Comedy, Satire & Parody shelf
500 Comedy, Satire & Parody 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
Sister Agatha: The World's Oldest Serial Killer is an audiobook by Domhnall O'Donoghue: a 6.6-hour unabridged recording, read by Caroline Lennon, released April 13, 2026, on the Comedy, Satire & Parody shelf.
The listen at a glance
- Length
- 6.6 hrs
- Narrated by
- Caroline Lennon
- Released
- April 13, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Comedy, Satire & Parody
- ISBN
- 9798349161988
How to listen to Sister Agatha: The World's Oldest Serial Killer 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 Sister Agatha: The World's Oldest Serial Killer audiobook?
Sister Agatha: The World's Oldest Serial Killer runs 6.6 hours unabridged. At 1.5× speed that drops to roughly 4.4 hours.
Is the Sister Agatha: The World's Oldest Serial Killer audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Sister Agatha: The World's Oldest Serial Killer?
Sister Agatha: The World's Oldest Serial Killer is narrated by Caroline Lennon.