There are 3 books in the Billionaires at the Altar series.
The Billionaires at the Altar series does not have a new book coming out soon. The latest book, The Sheikh Crowns His Virgin (Book 3), was published in June 2019.
The first book in the Billionaires at the Altar series, The Greek Claims His Shock Heir, was published in February 2019.
The Billionaires at the Altar series primarily falls into the Contemporary Category Romance genre.