This handbook presents the fundamentals of successful study circle leadership. It also includes pointers for study circle organizers and participants, concluding with a comparison of dialogue and debate--a guide for distinguishing study circles from other types of discussion. The guide contains seven sections that cover the following topics: (1) What is a study circle?; (2) overview of a typical study circle; (3) tips for effective discussion leadership; (4) dealing with typical challenges; (5) the role of the organizer; (6) the role of the participant; and (7) a comparison of dialogue and debate. (KC)