This readable survey on the history of missions tells the story of pivotal turning points in the expansion of Christianity, enabling readers to grasp the big picture of missional trends and critical developments. Alice Ott examines twelve key points in the growth of Christianity across the globe from the Jerusalem Council to Lausanne '74, an approach that draws on her many years of classroom teaching. Each chapter begins with a close-up view of a particularly compelling and paradigmatic episode in Christian history before panning out for a broader historical outlook. The book draws deeply on primary sources and covers some topics not addressed in similar volumes, such as the role of British abolitionism on mission to Africa and the relationship between imperialism and mission. It demonstrates that the expansion of Christianity was not just a Western-driven phenomenon; rather, the gospel spread worldwide through the efforts of both Western and non-Western missionaries and through the crucial ministry of indigenous lay Christians, evangelists, and preachers. This fascinating account of worldwide Christianity is suitable not only for the classroom but also for churches, workshops, and other seminars.