The Marge in Charge series does not have a new book coming out soon. The latest book, Marge in Charge and the Stolen Treasure (Book 2), was published in May 2018.
The first book in the Marge in Charge series, Marge in Charge, was published in October 2017.
The Marge in Charge 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.