There are 2 books in the Mystery of Alexander the Great series.
The Mystery of Alexander the Great series does not have a new book coming out soon. The latest book, A Murder in Thebes (Book 2), was published in December 1998.
The first book in the Mystery of Alexander the Great series, A Murder in Macedon, was published in November 1997.
The Mystery of Alexander the Great series primarily falls into the Historical Mystery genre.