There are 3 books in The Dragon Cliff Trilogy series.
The Dragon Cliff Trilogy series does not have a new book coming out soon. The latest book, The Defeat of Gullvieg (Book 3), was published in May 2012.
The first book in The Dragon Cliff Trilogy series, The Prophecy, was published in August 2010.
The Dragon Cliff Trilogy series primarily falls into the Fantasy genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.