The Moonshadow series does not have a new book coming out soon. The latest book, The Nightmare Ninja (Book 2), was published in June 2011.
The first book in the Moonshadow series, Rise of the Ninja, was published in June 2010.
The Moonshadow 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.