The Planet Tad series does not have a new book coming out soon. The latest book, Return to Planet Tad (Book 2), was published in September 2014.
The first book in the Planet Tad series, Planet Tad, was published in May 2012.
The Planet Tad 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.