David Mann found his calling early in life by making others laugh as a class clown. He went on to become a professional humor therapist. He shares the gift of laughter and how it transformed his life in this guide to making people smile. You may laugh out loud as you read about the pranks he played as a kid, which taught him how humor can be used--and misused. He honed his comedic skills as a camp director helping youngsters and as an adult seeking...