In Difference Maker: Overcoming Adversity and Turning Pain into Purpose, Every Day (Teen Edition) by Gary Roe, despite what teens often here about themselves, it is important that they understand the truth about who they and their friends are.they are Difference Makers. Author, Gary Roe has been helping teens and adults heal from past wounds, discover who they are, and live with passion and purpose. No matter what has happened to you or around you, you can heal and grow. You can overcome adversity and turn pain into purpose, every day. Paperback, 188 pages.