The difference between Roman Catholics and Protestant Christians is a question that is commonly asked and sometimes seem too big to handle. It can seem intimidating and daunting. But if you’re looking to start to understand this topic, and to also answer questions that those around you might have, here are some helpful resources:
(1) A short primer on this by Kevin DeYoung
(2) A longer answer from John Piper
(3) Five part Ligonier lecture series audio for free
(4) Free e-book from Ligonier