The Mallory series does not have a new book coming out soon. The latest book, Mallory Makes a Difference (Book 28), was published in September 2017.
The first book in the Mallory series, Mallory on the Move, was published in February 2004.
The Mallory series primarily falls into the General Fiction genre. This chapter book series was written for ages 7-10, but some older readers may still like to read these books.