The Robyn Hoodlum series does not have a new book coming out soon. The latest book, Reign of Outlaws (Book 4), was published in October 2017.
The first book in the Robyn Hoodlum series, Robyn Hoodlum, was published in August 2015.
The Robyn Hoodlum series primarily falls into the Action Adventure genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.