There are 3 books in the Gaia City Superheroes series.
The Gaia City Superheroes series does not have a new book coming out soon. The latest book, Who Loves A Superhero? (Book 3), was published in April 2011.
The first book in the Gaia City Superheroes series, Who Wants to Date a Superhero?, was published in February 2008.
The Gaia City Superheroes series primarily falls into the Paranormal Romance genre.