The Gastly's Tale series does not have a new book coming out soon. The latest book, Team Valor (Book 2), was published in November 2016.
The first book in the Gastly's Tale series, Dear Die- Ary, was published in November 2016.
The Gastly's Tale 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.