There are 4 books in the Uncontrollable Shift series.
The Uncontrollable Shift series does not have a new book coming out soon. The latest book, The Leopard Twins' Christmas Mate (Book 4), was published in December 2020.
The first book in the Uncontrollable Shift series, The Alpha's Christmas Mate, was published in January 2017.
The Uncontrollable Shift series primarily falls into the Romance genre.