The Sunshine Stables series does not have a new book coming out soon. The latest book, Gracie and the Grumpy Pony (Book 3), was published in October 2021.
The first book in the Sunshine Stables series, Poppy and the Perfect Pony, was published in April 2021.
The Sunshine Stables 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.