Download or read book Principles of Catholic Theology written by Joseph Cardinal Ratzinger and published by . This book was released on 1989-02-28 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of articles and talks written around a central theme the fundamental structure of Christianity: Catholicism, the inter-relationship of other forms of Christianity, the features that distinguish Catholicism from other Christian theologies. Ratzinger outlines the fundamental principles of theology and the proper relationship of theology to Church teaching and authority.