The Reaper Diaries series does not have a new book coming out soon. The latest book, Unchosen (Book 2), was published in January 2014.
The first book in the Reaper Diaries series, Undeadly, was published in November 2012.
The Reaper Diaries series primarily falls into the Paranormal Romance genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.