The Pope. The Holy Eucharist. The Blessed Virgin Mary. The Seven Sacraments. Catholicism is filled with great mysteries, so youive probably been confused about this 2,000-year-old religion at one time or another. In 29 Things To Know About Catholicism, the Catholic Churchis beliefs are explored in easy-to-understand terms for the devout Catholic and the curious non-Catholic alike. This quick go-to guide helps answer these questions: Was the Catholic Church the first Christian church? Do Catholics worship Mary and pray to saints? How do I know what to do in Mass with all its Latin chants and...