1. 2009 GM's Jam ID: 2009-SEM0902117 Year: 2009 Title: 2009 GM's Jam Description: Come and get answers for all your GM problems, led by a crack panel of GMing experts. This is a friendly, open, give-and-take, seminar session where we share, discuss, and find answers to many of the issues we have about the craft of Game Mastery.