There are 2 books in the Buckle and Squash series.
The Buckle and Squash series does not have a new book coming out soon. The latest book, The Gigantic Giant Goof-Up (Book 2), was published in May 2016.
The first book in the Buckle and Squash series, The Perilous Princess Plot, was published in May 2015.
The Buckle and Squash series primarily falls into the Fantasy genre. This chapter book series was written for ages 7-10, but some older readers may still like to read these books.