There are 2 books in the Witness Protection series.
The Witness Protection series does not have a new book coming out soon. The latest book, The Rules for Breaking (Book 2), was published in May 2014.
The first book in the Witness Protection series, The Rules for Disappearing, was published in May 2013.
The Witness Protection series primarily falls into the Action Adventure genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.