The public is invited to a panel discussion with contributors to the book, If Not for the Perfect Stranger: Heartwarming and Healing Stories of Kindness from the 2013 Boston Marathon.  Hear directly from a group of individuals who delivered, received or witnessed real-life acts of heroism and generosity as a result of the bombings.  Editors Diane Montiel and Steve Alexander will also be on hand to answer questions and sign copies of the book, which will be available for purchase.  Portions of the proceeds from each sale will be donated to the One Fund, the Challenged Athletics Foundation, the L.C.C. K-9 Comfort Dog Ministry, and other organizations.  Learn more about the book at www.bostonperfectstranger.com.