There are 3 books in the Guards of the Shadowlands series.
The Guards of the Shadowlands series does not have a new book coming out soon. The latest book, Chaos (Book 3), was published in October 2014.
The first book in the Guards of the Shadowlands series, Sanctum, was published in October 2012.
The Guards of the Shadowlands series primarily falls into the Science Fiction genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.