The people movement to Christ among the original inhabitants (formerly called the "mountain tribes") of Taiwan has been called a "Twentieth Century Miracle." From 1929 to 1960 about 50% of the eleven different groups of Malayo-Polynesian peoples became Protestant Christians "Pentecost of the Hills" utilizes history, politics, sociology, anthropology and missiology to tell their story for the first time. This is not a missionary account--it relates how God raised up local leaders to do the major work of evangelism and nurture. "The many rich details woven into this story come from firsthand observations and faithful archival research, portraying a mission work which could be held up as a representative model of missionary service in the second half of our century. There are many educational possibilities latent in this book. Missions professors or missions directors in a local church could use it as foundational to a course examining what missionary work is about for this record contains the basic components of the typical missionary situation. History and politics, cultural diversity, cooperation and fragmentation between church agencies all constitute the context in which the gospel challenges the spiritual realities of restless peoples around the world," says Dr. Arthur F. Glasser, dean emeritus, Fuller Theological Seminary School of World Mission.A missionary to China and Taiwan for 20 years, Dr. Covell went to Denver Seminary where he is the senior professor emeritus of World Christianity.