The How to Ruin series does not have a new book coming out soon. The latest book, How to Ruin Your Boyfriend's Reputation (Book 3), was published in November 2009.
The first book in the How to Ruin series, How to Ruin a Summer Vacation, was published in October 2006.
The How to Ruin 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.