The Atlantis Saga series does not have a new book coming out soon. The latest book, Atlantis Lost (Book 3), was published in November 2016.
The first book in the Atlantis Saga series, Atlantis Rising, was published in October 2013.
The Atlantis Saga series primarily falls into the Action Adventure and Fantasy genres. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.