The Ghost Buddy series does not have a new book coming out soon. The latest book, Never Dance with a Hairy Buffalo! (Book 4), was published in July 2013.
The first book in the Ghost Buddy series, Zero to Hero, was published in January 2012.
The Ghost Buddy series primarily falls into the Horror genre. This chapter book series was written for ages 7-10, but some older readers may still like to read these books.