NEED TO KNOW

Lisi Harrison is revisiting The Clique

14 years after the last book, she wants to address the new challenges in her audience's lives with a sequel

Harrison is working on a new Clique book with Ellen Marlow, who starred in the 2008 movie adaptation

Lisi Harrison never thought her books would make such an impact.

Before publishing her best-selling book series, The Clique , the 55-year-old was "working full-time at MTV."

"It was such a different time for me," she tells PEOPLE exclusively. "I had no idea these books would be a success. I knew I always wanted to be a writer. I had this opportunity, and I took it."

After releasing the first book in 2004, the sales figures proved she was on the right path, as did the fan mail and packed book signings. At middle school

See Full Page