The Star Challengers series does not have a new book coming out soon. The latest book, Space Station Crisis (Book 2), was published in February 2011.
The first book in the Star Challengers series, Moonbase Crisis, was published in November 2010.
The Star Challengers series primarily falls into the Science Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.