The Worry Warriors series does not have a new book coming out soon. The latest book, Nervous Nellie Fights First-Day Frenzy (Book 4), was published in August 2016.
The first book in the Worry Warriors series, Edgy Estella Aces the Sleepover Party, was published in August 2016.
The Worry Warriors 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.