There are 4 books in the Blackstone's Magic Adventures series.
The Blackstone's Magic Adventures series does not have a new book coming out soon. The latest book, The Case of the Phantom Treasure (Book 3), was published in September 1985.
The first book in the Blackstone's Magic Adventures series, America's Secret King, was published in October 1986.
The Blackstone's Magic Adventures series primarily falls into the Suspense genre.