There are 3 books in The Secret of the Sands series.
The Secret of the Sands series does not have a new book coming out soon. The latest book, Revelation of the Sands (Book 3), was published in December 2016.
The first book in The Secret of the Sands series, Secret of the Sands, was published in September 2007.
The Secret of the Sands series primarily falls into the Action Adventure genre.