The manual first identifies the benefits of intergovernmental collaboration and describes the creation of the first tribal/State joint jurisdiction court in the Nation. The description includes how it was envisioned, developed, and implemented. Statistics are provided to show its cost-effectiveness. The manual then provides suggested guidelines for developing a new joint-jurisdiction justice collaborative in a community based on identified needs, tribal and community culture, evidence-based treatment principles, goals, and defined outcomes. A third section of the manual describes two Project T.E.A.M. collaborations, i.e, a joint-jurisdiction juvenile court initiative involving the Shingle Springs Band of Miwork Indians, the Eldorado County Superior Court, and county officials in California; and a joint jurisdiction adult wellness court that involves the Kenaitze Indian Tribe and the city of Kenai, Alaska. The document concludes with tips for the successful creation of joint-jurisdiction courts and a review of lessons learned during Project T,E,A,M. work. A listing of 12 additional resources