Offers a traditional Roman Catholic perspective on the institutional evolution of the Church, key theological battles, papal history, and the impact of the Church on Western civilization. (Hughes also wrote a larger, multi-volume A History of the Church).

Menawarkan perspektif Katolik Roma tradisional tentang evolusi kelembagaan Gereja, perdebatan teologis utama, sejarah kepausan, dan dampak Gereja terhadap peradaban Barat.