Few topics are as important, or as controversial, as the proper role and exercise of authority in the Roman Catholic Church. Inspired by Pope Francis's bold rereading and determined implementation of the teaching of Vatican II, Richard Gaillardetz has completely revised and expanded his book By What Authority? It offers a helpful introduction to the nature and forms of church authority and their relationship to authentic Christian belief and discipleship. Gaillardetz offers theologically clear and pastorally insightful considerations of: