There are 3 books in the Superstition Mountain series.
The Superstition Mountain series does not have a new book coming out soon. The latest book, Revenge of Superstition Mountain (Book 3), was published in September 2014.
The first book in the Superstition Mountain series, Missing on Superstition Mountain, was published in July 2011.
The Superstition Mountain series primarily falls into the Suspense genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.