There are 2 books in the Unicorns of the Mist series.
The Unicorns of the Mist series does not have a new book coming out soon. The latest book, The Unicorn Thief (Book 2), was published in May 2014.
The first book in the Unicorns of the Mist series, Wonder Light, was published in May 2013.
The Unicorns of the Mist series primarily falls into the Fantasy genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.