The Under Their Skin series does not have a new book coming out soon. The latest book, In Over Their Heads (Book 2), was published in April 2017.
The first book in the Under Their Skin series, Under Their Skin, was published in January 2016.
The Under Their Skin series primarily falls into the General Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.