True Evangelism is a book written by Lewis Sperry Chafer on subjects such as man's sin and God's salvation.Lewis Sperry Chafer was an American theologian who founded the Dallas Theological Seminary. Chafer was also notable for being a strong supporter of Christian Dispensationalism in the early 20th century. Chafer's books, such as He That is Spiritual, Salvation, and True Evangelism, are still widely read by Christians of all denominations.