Harmless: Audiobook
According to The Books Insider's catalog data, the Harmless audiobook runs 6.4 hours unabridged, narrated by Casey Holloway (about 4.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 13 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 6.4 hours, it runs longer than 92% of the 7,218 Animals & Nature (Kids) audiobooks in our catalog.
More narrated by Casey Holloway
Casey Holloway narrates 51 unabridged audiobooks in our catalog, 388 hours in all.
About as long, on the Animals & Nature (Kids) shelf
266 Animals & Nature (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Where the Red Fern Grows
- The Hive Queen (Wings of Fire #12)
- Escaping Peril (Wings of Fire #8)
- Hoot
- Chomp
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
Harmless is an audiobook by Samantha San Miguel: a 6.4-hour unabridged recording, read by Casey Holloway, released September 9, 2025, on the Animals & Nature (Kids) shelf.
The listen at a glance
- Length
- 6.4 hrs
- Narrated by
- Casey Holloway
- Released
- September 9, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Animals & Nature (Kids)
- ISBN
- 9781668653302
How to listen to Harmless 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 Harmless audiobook?
Harmless runs 6.4 hours unabridged. At 1.5× speed that drops to roughly 4.3 hours.
Is the Harmless audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Harmless?
Harmless is narrated by Casey Holloway.