In this book, Wilson gives a thoroughly biblical foundation for gospel movements. He takes us back to the New Testament and walks us through examples from missions history. He compares different types of gospel movements and demonstrates that, at their core, gospel movements make, mature, and multiply disciples. They are found not only in Africa and Asia, but also in Europe, the Americas, and throughout the world. Based on twenty years of experience, Wilson gives practical principles and real-life stories that will help church planting catalysts maximize their effectiveness as they come alongside emerging movements around the world. He shares the collective wisdom of national movement leaders and missionary catalysts to help us engage and assist developing movements without doing harm. This book offers a realistic portrayal of the challenges and sacrifices involved in launching gospel movements and constructive pathways to strengthen their growth. With insights from this book, movement leaders and external catalysts can contribute synergistically according to the stage of the movement–pioneer penetration, local multiplication, regional organization, or global participation. Humble facilitators who embrace biblical priorities and best practices will play a constructive role. Read this book prayerfully considering how God can use you to add value to a gospel movement.