There are 2 books in The Guild House - Defender's Hall series.
The Guild House - Defender's Hall series does not have a new book coming out soon. The latest book, Lines of Fire Challenged (Book 2), was published in December 2019.
The first book in The Guild House - Defender's Hall series, Lines of Fire, was published in May 2013.
The Guild House - Defender's Hall series primarily falls into the Fantasy genre.