Codename Firefly: Audiobook
Book 2 of the Number 10 series
According to The Books Insider's catalog data, the Codename Firefly audiobook runs 9.7 hours unabridged, narrated by Emma Kniebe (about 6.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 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 9.7 hours, it runs longer than 65% of the 2,356 Mystery & Thriller audiobooks in our catalog.
About as long, on the Mystery & Thriller shelf
648 Mystery & Thriller 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
Codename Firefly is book 2 of C.J. Daugherty's Number 10 series: a 9.7-hour unabridged recording, read by Emma Kniebe, released September 1, 2021, on the Mystery & Thriller shelf.
The listen at a glance
- Length
- 9.7 hrs
- Narrated by
- Emma Kniebe
- Released
- September 1, 2021
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Thriller
- Series
- Number 10 #2
- ISBN
- 9781916678422
How to listen to Codename Firefly 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 Codename Firefly audiobook?
Codename Firefly runs 9.7 hours unabridged. At 1.5× speed that drops to roughly 6.5 hours.
Is the Codename Firefly audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Codename Firefly?
Codename Firefly is narrated by Emma Kniebe.