There are 5 books in the Under Realm Academy series.
The Under Realm Academy series does not have a new book coming out soon. The latest book, Undeniable (Book 5), was published in March 2021.
The first book in the Under Realm Academy series, Unstable, was published in December 2020.
The Under Realm Academy series primarily falls into the Dark Fantasy genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.