Affiliate Disclosure: Links on this page may earn us a commission at no extra cost to you. Read our affiliate policy
Secrets of Billionaire Siblings Books in Order
Below you'll find the complete list of Secrets of Billionaire Siblings books in publication order. This is generally the recommended reading order for the series.
Reading order verified: April 2026
Quick Answer
What order should I read the Secrets of Billionaire Siblings series? Start with "The Billionaire's Proposition in Paris" (2021) and follow publication order through all 2 books.
The complete Secrets of Billionaire Siblings reading order is listed below in publication sequence.
Publication Order
The Billionaire's Proposition in Paris
2021
The CEO's Impossible Heir
2022
Affiliate Disclosure
As an Amazon Associate, Reading Order Books earns from qualifying purchases. When you buy through links on our site, we may earn an affiliate commission at no additional cost to you. This helps us maintain the site and continue providing reading order guides. Read our full disclosure