This unique text is arranged in three parts according to the Trinity's roles, relationships, and activity. Tennent questions whether missions as currently conceptualized is adequate and he challenges the reader by building the book around key theological foundations such as "mission dei" and the "new creation" vision for the global church. This volume will call and enable the reader to understand how missions is biblically and theologically basic to Christianity, and how missions is essential to living out an abundant and impassioned life.