There are 6 books in the Children of Earthrise series.
The Children of Earthrise series does not have a new book coming out soon. The latest book, The Legacy of Earth (Book 6), was published in August 2018.
The first book in the Children of Earthrise series, The Heirs of Earth, was published in November 2017.
The Children of Earthrise series primarily falls into the Space Opera and Science Fiction genres.