There are 3 books in The Monster Hunter Diaries series.
The Monster Hunter Diaries series does not have a new book coming out soon. The latest book, Stopping Herobrine (Book 3), was published in March 2016.
The first book in The Monster Hunter Diaries series, First Quest, was published in March 2016.
The Monster Hunter Diaries series primarily falls into the Mystery genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.