There are 7 books in The Popularity Papers series.
The Popularity Papers series does not have a new book coming out soon. The latest book, The Less-Than-Hidden Secrets and Final Revelations of Lydia Goldblatt and Julie Graham-Chang (Book 7), was published in September 2014.
The first book in The Popularity Papers series, The Research for the Social Improvement and General Betterment of Lydia Goldblatt and Julie Graham-Chang, was published in April 2010.
The Popularity Papers series primarily falls into the General Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.