The Valkyrie series does not have a new book coming out soon. The latest book, Valkyrie Symptoms (Book 1), was published in February 2013.
The first book in the Valkyrie series, Valkyrie Symptoms, was published in February 2013.
The Valkyrie series primarily falls into the General Fiction genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.