Part three is broken into 11 sections.
1. Celtic Christianity - The religious background to the story of St. Patrick.
2. The Real Patrick - Once a slave in Ireland, Patrick responds to a divine call and returns to the Emerald Isle as a missionary.
3. Celtic Sabbath - Saturday observed as the Sabbath by Celtic Christians.
4. Margaret of Scotland - Margaret comes from England, marries King Malcolm, and attempts to reform Sunday observance in Scotland.
5. Assault on the Sabbath - The Church of Rome promotes the Sabbath (Saturday) fast as an expression of anti-Jewish sentiments.
6. Power Struggle - The "Sabbath fast" becomes a key issue in the rivalry between church leaders in Rome and Constantinople.
7. Deceptions - The "letter from heaven" threatens Sunday-breakers.
8. Fight for Truth - Resistance to church/state authority brings tragedy.
9. John Wycliffe: Champion of Conscience - An Oxford professor focuses new attention on the Bible as the supreme authority for Christian faith and practice.
10. The Lollards - Wycliffe's followers take his views throughout England and beyond.
11. The Church vs. the Bible - The church-state establishment opposes the spread of the Bible and the ideas of Wycliffe and the Lollards.