A Billionaire Romance Duet Books in Order
Below you'll find the complete list of A Billionaire Romance Duet books in publication order. This is generally the recommended reading order for the series.
Reading order verified: January 2026
Publication Order
Dirty Little Secret
Buy on Amazon2017
Sinful Little Betrayal / The Billionaire's Betrayal
Buy on Amazon2018
Frequently Asked Questions
The recommended reading order for the A Billionaire Romance Duet series is publication order: 1. Dirty Little Secret (2017), 2. Sinful Little Betrayal / The Billionaire's Betrayal (2018). This is generally the best way to experience the story as the author intended.
The A Billionaire Romance Duet series by Mika Lane contains 2 books. The series began in 2017 and continues to be a popular choice for readers.
The A Billionaire Romance Duet series is written by Mika Lane. You can find more books and series by this author on our website.
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