There are 6 books in the Haunting of Grey Hills series.
The Haunting of Grey Hills series does not have a new book coming out soon. The latest book, Tyger, Tyger (Book 6), was published in September 2015.
The first book in the Haunting of Grey Hills series, Burning, was published in September 2015.
The Haunting of Grey Hills series primarily falls into the Fantasy genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.