Undercover Billionaire: Audiobook
Book 1 of the Billionaire Secrets series
According to The Books Insider's catalog data, the Undercover Billionaire audiobook runs 4.4 hours unabridged, narrated by Cassandra Myles (about 2.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 4.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 9 days |
| 1 hour / day | 5 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 3 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 4.4 hours, it is shorter than 76% of the 1,683 Romantica audiobooks in our catalog.
Catching up on Billionaire Secrets
This is book 1. Books 1 to 5 run 28.2 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Undercover Billionaire | 4.4 hrs |
| 2 | A Billionaire for Christmas | 3.8 hrs |
| 3 | Her Billionaire Best Friend | 4.3 hrs |
| 4 | The Baby Contract: Billionaire Secrets, Book 4 | 8 hrs |
| 5 | Too Complicated: Billionaire Secrets, Book 5 | 7.7 hrs |
More narrated by Cassandra Myles
Cassandra Myles narrates 63 unabridged audiobooks in our catalog, 613 hours in all.
About as long, on the Romantica shelf
80 Romantica 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
Undercover Billionaire is book 1 of Ainsley Booth's Billionaire Secrets series: a 4.4-hour unabridged recording, read by Cassandra Myles, released December 15, 2020, on the Romantica shelf.
The listen at a glance
- Length
- 4.4 hrs
- Narrated by
- Cassandra Myles
- Released
- December 15, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Romantica
- Series
- Billionaire Secrets #1
- ISBN
- 9781094465005
How to listen to Undercover Billionaire 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 Undercover Billionaire audiobook?
Undercover Billionaire runs 4.4 hours unabridged. At 1.5× speed that drops to roughly 2.9 hours.
Is the Undercover Billionaire audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Undercover Billionaire?
Undercover Billionaire is narrated by Cassandra Myles.