Catholic Answers Press

Navigating The Tiber: How To Help Your Friends And Family Journey Towards The Catholic Faith

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For Protestants considering the Catholic Church, the journey across the Tiber River to Rome can be long and perilous, filled with many obstacles and detours. For Catholics who want to help them make the crossing, often it isn’t enough to give the right arguments, prooftexts, or book recommendations—you have to journey with them.

In Navigating the TiberDevin Rose (author of The Protestant’s Dilemma) draws from his own experience as a convert and Catholic apologist to help you guide your Protestant friends and family members on that harrowing river voyage. Not only does he equip you with the knowledge—from Scripture, the early Church, and Christian history—you’ll need to answer their questions and challenges, he shows you how to deal with the common aspects of a convert’s journey, including:

  • The best subjects to talk about—and avoid—plus the right order to put them in
  • The five biggest non-doctrinal problems that keep Protestants out of the Church
  • What to do when their anti-Catholic friends pressure them
  • Adapting your efforts to their particular Protestant tradition
  • The importance of continual prayer and friendship, whether they convert or not

The river to Rome is unruly but crossable; read Navigating the Tiber and help your friends and family have smoother sailing on their way to Christ’s Church.


“In our zeal to win souls for Christ we can burn bridges with our zeal. Rather than burning bridges, why not learn to navigate the waters?  Devin Rose is an excellent guide for leading others to the other side of the Tiber into the bosom of Holy Mother Church.” —Taylor Marshall, PhD, President of the New Saint Thomas Institute

"The waters that separate our respective Christian communities can often be as treacherous as they can be alluring. For this reason, Navigating the Tiber is must reading for anyone who cares about Catholicism and how to better understand and dialogue with those outside the Barque of Peter." —Francis J. Beckwith, Professor of Philosophy & Church-State Studies, Baylor University

"Navigating the Tiber is one of those rare books that is both intensely practical and deeply profound. Drawing from years of personal experience and a deep understanding of scripture, history, and theology, Rose skillfully shows us how to gracefully interact with non-Catholic Christians in a way that will draw them toward the Church. Highly recommended!" —Don Johnson, President, Don Johnson Evangelistic Ministries

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Additional Information

Devin Rose
Softcover, 187 pages
Other formats:
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2 Reviews

  • 5
    Navigating the Tiber

    Posted by Julie Walling on Jul 30th 2022

    I loved this book! I thought the tone was thoughtful and insightful, not condescending. It laid out what Protestants believe without poking fun at them, but stated factually how to introduce them to the truth with evidence and what factors might be stopping them from converting. I’ve been going back and forth with a Calvinist friend of mine and we both tend to take issue with articles that are overly rude in tone even when the article is providing evidence for our own side. This book doesn’t do that at all! It was validating to read that I am not alone in the issues I’ve been having with debating (nicely, we are friends) my Calvinist friend.

  • 3
    Well Organized But Condescending attitude

    Posted by Art Pare on Oct 29th 2021

    First Catholic Answers book I read. Thought it would be perfect, I was raised Catholic and started attending Church of Christ in my 30's. The opening survey of Protestant movements was beneficial. I wanted more about the difference between Apostolic Succession and Petrine Succession. I see as separate, author equates. Doesn't discuss my 'pet peeve' issue of Latin being used not for solemnity but as incantation - with a magical undertone. I bought a five pack so will continue reading other books hoping for more!

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