There are 3 books in the Guardians of the Dragon Realms series.
The Guardians of the Dragon Realms series does not have a new book coming out soon. The latest book, Memories of Fire (Book 3), was published in July 2015.
The first book in the Guardians of the Dragon Realms series, The Dragon, the Wizard & the Great Door, was published in November 2013.
The Guardians of the Dragon Realms series primarily falls into the Heroic Fantasy / Sword & Sorcery genre.