The Arlo Finch series does not have a new book coming out soon. The latest book, Arlo Finch in the Kingdom of Shadows (Book 3), was published in February 2020.
The first book in the Arlo Finch series, Arlo Finch in the Valley of Fire, was published in February 2018.
The Arlo Finch series primarily falls into the Fantasy genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.