There are 3 books in The Hitman's Heart Trilogy series.
The Hitman's Heart Trilogy series does not have a new book coming out soon. The latest book, Three Times Owned (Book 3), was published in November 2017.
The first book in The Hitman's Heart Trilogy series, Going Once, Taken Twice, was published in April 2017.
The Hitman's Heart Trilogy series primarily falls into the Contemporary Romance genre.