The Templeton Twins series does not have a new book coming out soon. The latest book, The Templeton Twins Make a Scene (Book 2), was published in October 2013.
The first book in The Templeton Twins series, The Templeton Twins Have an Idea, was published in August 2012.
The Templeton Twins 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.