Written by Joseph Cardinal Ratzinger (Pope Benedict XVI)

Published by Ignatius Press 1989, paperback, 393 pages.

USED BOOK, good copy, stains on back cover, front uncover has one corner with water damage.

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. (from Goodreads)