There are 4 books in the Keepers of the Stones series.
The Keepers of the Stones series does not have a new book coming out soon. The latest book, Scorn of the Sky Goddess (Book 3), was published in May 2018.
The first book in the Keepers of the Stones series, Curse of the Ice Dragon, was published in September 2012.
The Keepers of the Stones series primarily falls into the General Fiction genre.