The Serafina series does not have a new book coming out soon. The latest book, Serafina and the Seven Stars (Book 4), was published in July 2019.
The first book in the Serafina series, Serafina and the Black Cloak, was published in July 2015.
The Serafina series primarily falls into the Action Adventure genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.